✅ 同义词
🗣️ 情景例句
Use a dictionary and grammar guide constantly.
经常使用字典和语法指南。
He said he knew a lot of people there.
他说他在那里认识很多人。
If you touch them you may break something or have an accident and hurt yourselves.
如果你用手摸它们，也许你会搞坏机器，或者会发生事故，打伤你自己。