Methasam
[商]二甲基二硫化氨基甲酸鋅(橡膠硫化促進劑)
??? 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可憐的小寶貝。
Sorry to keep you waiting.
抱歉讓你久等了。
The nurse assisted the doctor in the operating room.
護士在手術(shù)室協(xié)助醫(yī)生動手術(shù)。