J.
[医] 焦耳氏当量(热功当量)
🗣️ 情景例句
I waited for you for about a quarter of an hour.
我等了你差不多一刻钟。
What color is your book?
你的书是什么颜色？
Please! said the man from downstairs.
“劳驾！”楼下人说。