Зима приближается.

A careful pronunciation is:

зима́ приближа́ется
[zʲɪˈma prʲɪblʲɪˈʐa(j)ɪtsə]

A rough English approximation is:

zi-MAH pri-bli-ZHA-ye-tsa

A few helpful points:

• The stress falls on the last -а in зима́
• The stress falls on -жа́- in приближа́ется
• The ending -ется / -ется is often pronounced something like -yetsa or -itsa, depending on speed and accent

Зима is in the nominative case because it is the subject of the sentence.

In Зима приближается, winter is the thing that is doing the action of approaching / drawing near, so Russian uses the nominative.

Приближается is:

• 3rd person singular
• present tense
• from the verb приближаться

So it literally means:

• it is approaching
• it draws near

Because the subject is зима (winter), the verb is singular.

The -ся ending is a very common Russian verb ending, often called a reflexive postfix.

In some verbs it really is reflexive, like мыться = to wash oneself.
But in many verbs, including приближаться, it does not translate as oneself in English.

Here, приближаться means to approach / to draw near.

Compare:

• приближать = to bring something closer
• приближаться = to approach / to come nearer

So in this sentence, зима приближается means that winter itself is getting closer.

In Russian, the present tense of an imperfective verb is often used for something that is in progress now, even if the result is still in the future.

So Зима приближается means:

• winter is approaching
• winter is getting closer

It describes an ongoing process, not a completed event.

English works similarly here: Winter is approaching is present in form, but it refers to something that will happen soon.

Приближаться is imperfective.

That matters because the imperfective aspect focuses on:

• a process
• something ongoing
• something developing over time

So Зима приближается presents winter as gradually coming nearer.

If you used a perfective verb, the meaning would shift toward a completed result or a single bounded event, which is not the main idea here.

Russian has no articles, so there is no direct equivalent of the or a/an.

So Зима приближается can mean:

• Winter is approaching
• The winter is approaching

In normal English, Winter is approaching is the natural translation.

Russian relies on context rather than articles to show whether something is general, specific, known, or new.

Yes. Russian word order is more flexible than English.

The neutral order is:

Зима приближается.

You can also say:

Приближается зима.

Both are correct, but the emphasis changes a little:

• Зима приближается = neutral statement, topic first
• Приближается зима = more emphasis on the approach itself or a slightly more dramatic/literary feel

English usually keeps the subject first, but Russian can move things around more freely.

It is singular because зима is singular, not because it is feminine.

In the present tense, Russian verbs agree with the subject in person and number, but not gender.

So:

• зима приближается = singular
• зимы приближаются = plural

Gender matters more in the past tense, for example:

• зима приближалась = feminine past
• день приближался = masculine past

The dictionary forms are:

• зима = winter
• приближаться = to approach / to draw near

For nouns, dictionaries usually give the nominative singular form, which here is already зима.

For verbs, dictionaries give the infinitive, so приближается appears in dictionaries as приближаться.

Yes, that is possible, but it sounds more literary or poetic in modern English.

More natural translations are:

• Winter is approaching
• Winter is getting closer

So a very literal sense of the Russian is close to Winter is drawing near, but the most natural English version is usually Winter is approaching.