表示某地有某人正在做某事。

There be sb doing sth sp.

youdao

看见某人正在做某事。

See sb doing STH.

youdao

当某事发生时，某人记得他们正在做什么。

Sb remember what they were doing when STH happened.

youdao

注意某人(正在做)做某事。

Notice sb do \ doing STH.

youdao

注意某人(正在做)做某事。

Notice sb do \ doing STH.

youdao