J.
[医] 焦耳氏当量(热功当量)
🗣️ 情景例句
That's right. And have a good time in New York.
对。祝你在纽约玩得愉快。
Look before you leap.
三思而后行。
As soon as I tap on the window, you must stop within five feet.
我一敲车窗，你必须把车停在5英尺之内。