The usage of "in" should be explained in detail.

The usage in is as follows:

1. (indicating position) is in [inside, in]; In, in; In ...? At a certain point in the area or volume of (sth)

During, after, in the process of? In (a period of time); (After the longest time)

3. (indicating the direction) In the direction of ...? towards

4. In, in, on, or wearing? (indicating the physical environment and situation)

5. (emoticon) In the form of, by, by, by, by? (indicating form, shape, arrangement or quantity)

6. (explain why) because, for? for

7. Within (indicate field and scope)? Within the shape of ...

In pronunciation: English [? N] beauty [? n]？

Explanation:

Preposition is at a certain point (in a certain range or space); In (the shape or extent of sth); Inside; In ...; enter

Inside; Including; Enter; At home; at work

Popular; popular

Ruler; Visit; insider

He opened the door and went in.

Extended data synonyms: internal, intermediate

First, the pronunciation of inside: English [? n？ Sa? D] beauty [? n？ Sa? d]？

Explanation:

Preposition in (or to); At (or to); Less than (a certain time)

At (or to); In prison; imprison

Inside; Internal; Inside; Slow lane (near the roadside); Inner side, inner lane, inner ring (at the corner of a road or runway)

Internal; Inside; Learned from the inside; The inside man did it.

For example: inside? That? Passport? Used to be. Answer? Fold? Slipped? Yes? Paper?

There is a folded piece of paper in the passport.

Second, pronunciation: English [? m？ ] beauty [? m？ ]?

Interpretation: prep. At ...; Be surrounded; In (it); One ...; In the middle of three or more (distribution or selection)

Example: They? Gone? In the middle That? Crowd? Are you online? Red? Square. ?

They walked on the bustling Red Square.