Ngamia wanaweza kutembea kwa muda mrefu katika jangwa.

In Swahili, some nouns have the same form in both singular and plural. Ngamia is one of them.

• ngamia = camel
• ngamia = camels

So the noun itself does not tell you singular vs. plural. You usually tell from:

• the verb agreement
• the context
• sometimes a number or adjective

In your sentence, wanaweza shows that ngamia is plural:

• wa- = they
• so Ngamia wanaweza... = Camels can...

If it were singular, you would normally get:

• Ngamia anaweza... = A camel can...

Wanaweza can be broken down like this:

• wa- = they
• -na- = present tense
• -weza = be able, can

So:

• wanaweza = they can / they are able to

This is a very common Swahili verb pattern: subject prefix + tense marker + verb root

For example:

• anaweza = he/she can
• ninaweza = I can
• mnaweza = you all can

Because ngamia refers to animals, and in Swahili, nouns referring to living beings often use the animate agreement pattern:

• singular: a-
• plural: wa-

So even though ngamia has an unusual noun shape, it behaves like an animate noun in agreement.

That is why you get:

• Ngamia anaweza... = A camel can...
• Ngamia wanaweza... = Camels can...

This is something learners often just need to get used to: in Swahili, the agreement on the verb is extremely important.

Good question.

• wanatembea = they walk / they are walking
• wanaweza kutembea = they can walk / they are able to walk

So kuweza adds the idea of ability.

Also notice the second verb stays in the infinitive:

• wanaweza kutembea
• literally: they-can to-walk

This pattern is very common in Swahili:

• anaweza kusoma = he/she can read
• tunaweza kuona = we can see

Kutembea means to walk.

In different contexts, it can also have related meanings like:

• to move around
• to stroll
• to travel on foot

In this sentence, the most natural meaning is simply to walk.

So:

• Ngamia wanaweza kutembea... = Camels can walk...

If the sentence were about general travel rather than walking, Swahili might use another verb such as kwenda (to go) or another more specific travel verb, depending on context.

Literally, it means something like:

• kwa = for / in / by means of, depending on context
• muda = time / period of time
• mrefu = long

So kwa muda mrefu means:

• for a long time
• for a long period

This is a common expression in Swahili.

Examples:

• Alisubiri kwa muda mrefu. = He/she waited for a long time.
• Walikaa hapo kwa muda mrefu. = They stayed there for a long time.

Because adjectives in Swahili usually agree with the noun they describe.

Here, the noun is muda (time/period), and with this noun the adjective appears as mrefu.

So:

• muda mrefu = long time

You do not just memorize refu alone in real sentences; you learn the agreeing form that fits the noun.

Other nouns may use other adjective forms, for example:

• jambo refu = a long matter/issue
• mlima mrefu = a tall mountain

The key point is that Swahili adjectives often change form to match the noun class.

Katika means in, inside, or within.

So:

• katika jangwa = in the desert

Yes, Swahili also often uses the locative form -ni with place nouns:

• jangwani = in the desert

So both of these can work:

• katika jangwa
• jangwani

The version with katika may feel a bit more explicit, while jangwani is a compact locative form.

Swahili does not have articles like English a, an, or the.

So ngamia can mean:

• a camel
• the camel
• camels
• the camels

depending on context and agreement.

In your sentence, because of wanaweza, we know it is plural:

• Camels can walk for a long time in the desert.

English needs an article or clear number more often than Swahili does, but Swahili usually leaves that to context.

The default order here is very natural:

• Ngamia — subject
• wanaweza — verb
• kutembea — infinitive complement
• kwa muda mrefu — time expression
• katika jangwa — place expression

So the sentence is:

• Ngamia wanaweza kutembea kwa muda mrefu katika jangwa.

This is a normal, straightforward Swahili sentence.

Swahili word order can sometimes be moved around for emphasis, but for learners, this default order is the safest choice.

A few helpful points:

• ngamia begins with ng-, as in the sound at the end of English sing, but here it comes at the beginning of the word.
• Swahili vowels are usually clear and consistent:
  • a as in father
  • e as in bed but often a bit tenser
  • i as in machine
  • o as in told but without a strong glide
  • u as in flute

Rough syllable breakdown:

• nga-mi-a
• wa-na-we-za
• ku-te-mbe-a
• kwa mu-da m-re-fu
• ka-ti-ka jan-gwa

Also, Swahili pronunciation is usually quite regular: words are generally pronounced much as they are written.

Yes. Wanaweza can mean both:

• can
• are able to

In most everyday English translations, can is the most natural choice. But the fuller sense of ability is definitely there.

So these are both good translations:

• Camels can walk for a long time in the desert.
• Camels are able to walk for a long time in the desert.

The second is just a bit more formal in English.

The dictionary forms are:

• kuweza = to be able, can
• kutembea = to walk

In Swahili, dictionary forms usually begin with ku-, which is the infinitive marker.

So:

• wanaweza comes from kuweza
• kutembea is already in the infinitive form

This is useful when looking words up in a dictionary.