Perhydrocyclopentanophenanthrene
环戊烷多氢菲
🗣️ 情景例句
I did.
是的。
Truth hath a good face,but ill clothes.
真理面目善良；但衣衫褴褛。
We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.
我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。