Die sappige porsie braaivleis het 'n goeie geur.

Yes. Die is the Afrikaans definite article, so here it means the.

A useful thing to know is that Afrikaans uses die much more simply than languages like German or Dutch:

• die = the
• it does not change for grammatical gender
• it is also used for plural nouns

So in Die sappige porsie braaivleis, die is simply the.

Because the adjective comes before the noun.

In Afrikaans, adjectives usually take -e when they are placed directly before a noun:

• sappige porsie = juicy portion

But when the adjective comes after a form of to be, it is usually unchanged:

• Die porsie is sappig = The portion is juicy

So:

• sappige = attributive form, used before a noun
• sappig = predicative form, used after is

This is a very common Afrikaans pattern.

Porsie braaivleis literally means something like portion of barbecue meat or serving of grilled meat.

Afrikaans often puts nouns together without adding a word like of:

• 'n koppie tee = a cup of tea
• 'n stuk brood = a piece of bread
• 'n porsie braaivleis = a portion of braaivleis

So braaivleis tells you what kind of portion it is.

Braaivleis refers to meat cooked on a braai, which is a South African barbecue/grill.

It is made from:

• braai = barbecue / grill
• vleis = meat

So braaivleis is literally barbecue meat or grilled meat.

Culturally, braai is a very important word in South African Afrikaans, and it often has a broader cultural meaning than just barbecue in English.

Here het means has.

The verb is hê = to have, and in the present tense Afrikaans uses:

• ek het = I have
• jy het = you have
• hy/sy het = he/she has
• ons het = we have
• hulle het = they have

So Afrikaans does not change the verb the way English does:

• English: I have, he has
• Afrikaans: ek het, hy het

In this sentence:

• Die sappige porsie braaivleis het 'n goeie geur
• The juicy portion of braaivleis has a good aroma

'n is the Afrikaans indefinite article, meaning a or an.

A few important things about it:

• it is always written as 'n
• it is usually unstressed in speech
• it is pronounced like a weak uh sound, similar to the vowel in sofa
• even at the beginning of a sentence, 'n itself is not capitalized

Examples:

• 'n goeie geur = a good aroma
• 'n groot huis = a big house

So in your sentence, 'n goeie geur means a good aroma or a good smell.

This is one of the most common things learners notice.

The adjective goed means good, but before a noun it often becomes goeie:

• 'n goeie geur = a good aroma

Compare:

• Die geur is goed = The aroma is good
• 'n goeie geur = a good aroma

So:

• goed = usually after the noun / after is
• goeie = before the noun

This is a somewhat irregular adjective pattern, so it is worth memorizing.

Geur usually means aroma, fragrance, or pleasant smell. It often sounds more positive than the neutral English word smell.

So:

• 'n goeie geur suggests a pleasant aroma or a nice smell

If you wanted to talk about smell more neutrally or negatively, Afrikaans can use other words depending on context.

Yes, in this sentence the word order is very similar to English:

• Die sappige porsie braaivleis = subject
• het = verb
• 'n goeie geur = object/complement

So the structure is basically:

Subject + Verb + Object

That makes this sentence quite straightforward for an English speaker.

Yes, but it means something slightly different.

• Die sappige porsie braaivleis het 'n goeie geur
  = The juicy portion of braaivleis has a good aroma

• Die porsie braaivleis is sappig
  = The portion of braaivleis is juicy

The first sentence describes the aroma/smell. The second sentence describes the texture or juiciness directly.

This is also a useful way to see the adjective difference:

• before noun: sappige
• after is: sappig

No. That is one reason Afrikaans is often easier for English speakers than some other European languages.

In this sentence:

• die does not change because of gender
• adjectives are not changing because the noun is masculine or feminine
• there are no case endings to worry about

So you can focus mostly on:

• article
• adjective form
• basic word order

rather than learning noun genders.

Because Afrikaans often leaves it out in this kind of expression.

English often says:

• a portion of meat
• a cup of tea

Afrikaans often says:

• 'n porsie vleis
• 'n koppie tee

So porsie braaivleis is a normal Afrikaans way to express portion of braaivleis, even without a separate word for of.

A very useful pattern is:

die + adjective-e + noun + het + 'n + adjective-e + noun

Using your sentence:

• Die = the
• sappige = juicy
• porsie braaivleis = portion of braaivleis
• het = has
• 'n goeie geur = a good aroma

This gives you a model for many similar sentences, for example:

• Die warm sop het 'n lekker geur
• The hot soup has a nice aroma

So the sentence is a good example of:

• the definite article die
• adjective before noun with -e
• the verb het
• the indefinite article 'n
• another adjective+noun phrase at the end