Dihydroxy-
二羟基
🗣️ 情景例句
But first things first.
但事有先后。
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。
Our product is competitive in the international market.
我们的产品在国际市场上具有竞争力。