Tetramine
[醫(yī)] 羥化四甲銨
??? 情景例句
Come in, Michelle,
請進(jìn) ，Michelle
We should take due care for this accident.
我們應(yīng)該對這件事給予應(yīng)有的注意。
There is a stereo in the room.
客廳里有臺立體聲音響。