Q.2 h.
[医] 每二小时
🧩 词语组成解析
[医] 普朗克氏量子常数
🗣️ 情景例句
even fifty years later.
五十年之后还是这样。
I hope we can conclude the transaction at this price.
希望我们能就此价格达成交易。
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他们很小时，有时候格林先生穿上一件红色的外套。但他现在不那么做了。