Alkatriyne
[化] 链三炔
🗣️ 情景例句
We have done so much
我们已做了这么多的事
I meet the boy whose aunt is a nurse.
我遇到那个男孩的姑妈是护士。
Betty and Susan are talking on the telephone.
贝蒂和苏珊正在通电话。