✅ 同义词
🗣️ 情景例句
Sorry, Richard. They don't have it.
对不起 Richard 他们那里没有。
If you concentrate all your energies on the study of English, you will master the language.
你若全力以赴地学习英语，你会掌握这门语言的。
Though the doctors did his best, the patient's recovery was slow.
尽管医生竭力医治，但病人恢复缓慢。