Submicrogram
a. 次(或亚)微克(量)的
🗣️ 情景例句
with two or three other college friends.
邀两到三个其他的大学朋友一起。
You are fatter than I am.
你比我胖。
I saw him playing football on the playground.
我看见他在操场上踢足球。