Polyetherin
多醚菌素
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
No matter where you go, English is always commonly used.
无论你走到哪里，英语总是被广泛地使用。
Look! What does that boat look like?
瞧！那艘船看起来像什么呀？