J
n. 字母j
📖 牛津释义
J
abbr 缩写 = joule(s).
🏥 医学释义
焦耳氏当量(热功单位)
🗣️ 情景例句
78 percent of black high-school graduates are unemployed.
百分之四十八的黑人高中毕业生失业。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
Please forgive me for not writing to you.
原谅我没有写信给你。