Perhydrophenanthrene
菲烷, 全氢化菲
🗣️ 情景例句
and then a big red barn.
然后就是一座大的红色仓。
A fall into the pit, a gain in your wit.
吃一堑，长一智。
I asked a passenger if this was the Westhaven Express, but he had not even heard of it.
我问一位乘客，这是不是开往威斯特海温的那趟快车，他说从未听说过有这么一趟快车。