Pasteurflask
巴斯德氏培养瓶
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
Archeologists still can only surmise as to the origin of Man.
考古学家们对于人类的起源依然无法推测。
It may be cheaper.but it takes a long time.
可能是便宜些，但花的时间长。