Isoamylene
异戊烯
🗣️ 情景例句
we can ship the goods one month ahead of time.
我们可以提前一个月起运。
I meet the boy whose aunt is a receptionist.
我遇到那个男孩的姑妈是接待员。
Ducks know how to swim when they are born.
鸭子天生会游泳