Oxyanthracene
蒽酚
🗣️ 情景例句
When trouble comes your neighbors are the ones who will be there.
邻居在你有困难的时候会帮助你。
We are running on two shifts.
我们实行的工作是两班倒。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。