✅ 同义词
🗣️ 情景例句
She's on a diet these days.
这些天她在节食。
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话，我可能要你帮个小忙。
Without it we could not make a living.
要是没有这条河，我们就无法生存下去。