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
Who are you rooming with?
你和谁同屋？
First catch your hare then cook him.
要兔子肉，先要把兔捉；先抓兔子后烹调（勿谋之过早）。
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。