Submicrogram
a. 次(或亚)微克(量)的
🗣️ 情景例句
Do you have a plan?
有计划吗？
The flight is delayed.
飞机晚点起飞。
Because of his revolutionary views, he spent many years in prison.
由于他的革命观点，他在监狱里度过了许多年。