Diaminoethane
[机] 乙二氨
🗣️ 情景例句
Good night, Son.
晚安， 儿子。
No, You'll have to get off at the bank and take the A52.
不去。你到银行那一站就得下车，改乘A52路的。
The dancer ran in a straight line, wagging from side to side.
跳舞的蜜蜂左右摇摆地沿直线飞。