Perhydrophenanthrene
菲烷, 全氢化菲
🗣️ 情景例句
and I felt I should spend more time
我觉得应该多花些时间
None are so deaf as those who will not hear.
不愿倾听意见者最聋。
some snakes manufacture a poison different in every respect from that of others,
有些蛇产生的毒液也在各方面与另外一些毒蛇产生的毒液不同，