Pentacyclic
五环的
🗣️ 情景例句
Where do you go to school?
你在哪里上学？
If one desires to succeed in anything, he must pay the price.
如果想做成点事，就得付出代价一干。
OK. Let's go to Number 1 Machine Shop.
好吧，让我们去第一机械车间。