Perfluoropropane
[机] 八氟丙烷
🗣️ 情景例句
Leave well enough alone.
得过且过，见好就收。
To march in shingle file
排成一列前进
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。