Q.3 h.
[医] 每三小时
🧩 词语组成解析
[医] 普朗克氏量子常数
🗣️ 情景例句
I'm glad to help.
我很乐意帮忙。
When the fox preaches, take care of your geese.
佛口蛇心。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典，但是我忘了拿走。