Dibenzenyl
二苯基乙炔
🗣️ 情景例句
I guess they must have inspected only part of the goods, but not the whole.
我猜想，他们检查的只是部分货物，而不是全部。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。