Perhydroanthracene
蒽烷, 全氢化蒽
🗣️ 情景例句
and see how the plan works.
看看这项计划实施得如何。
Yes,I have both your hat and your coat.
不，你的帽子和大衣都在我这里。
He seems a little nervous.
他显得有点紧张。