✅ 同义词
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Would you please have dinner ready for me?
可以请你为我准备晚餐吗？
And, as in a nightmare, there was nobody in sight to help me.
就像在恶梦里一样，见不到一个人可以帮助我。