Plac
abbr. placebo capsule 安慰剂胶囊
🗣️ 情景例句
Hello, ... speaking. Who do you wish to speak to?
喂， 我是……你想找谁？
Do you have a letter of introduction?
你有介绍信吗？
Yes, please. This is Bill here. Is that Mrs Read?
是的，劳驾了。我是比尔。你是里德夫人吗？