Polyetherin
多醚菌素
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
A horse stumbles that has four legs.
人有失手日，马有失蹄时。
but Captain Fawcett did not take him because the trip was too dangerous.
弗西特机长之所以不送他去，是因为那段飞行太危险了。