✅ 同义词
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
The Officer went through the case with great care.
那位官员十分仔细地把箱子检查了一遍。