✅ 同义词
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
No, I'm just looking at the menu. Are you hungry?
还没有,我正在看菜单。你饿了吧?