P. h.
[医] 过去病史
🧩 词语组成解析
[医] 普朗克氏量子常数
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
This is a ticket stub.
这是一张票根。
I agree with you. We've got to do something about pollution. It's getting worse.
我同意你的看法。我们得对污染采取措施了。污染越来越严重了。