Picogram
[ ['paikəugræm] ]
高中 Senior High
皮(可)克, 微微克(10的-12次方克)
✅ 同义词
🏥 医学释义
微微克，沙克
🗣️ 情景例句
What does John do?
John现在做什么事？
I feel guilty because I haven't written her lately.
因为我最近没给她写信，我感觉到有罪。
That's a great idea!
好主意！