每个活动表示必须由某人或某物完成的某事。

Each activity represents something that must be done by someone or something.

youdao

可用于向某人提供某物或邀请某人做某事。

You use "Can I", "Could I", and "Shall I" when you offer to help someone.

youdao

可用于向某人提供某物或邀请某人做某事。

You use "Can I", "Could I", and "Shall I" when you offer to help someone.

youdao