Polyetherin
多醚菌素
🗣️ 情景例句
Do we have to bag our own groceries?
我必须自己装我们买的商品吗？
Do you like playing cards?
你喜欢玩扑克？
Affluent he may be, but he is by no means sure what, to tip the doorman or the chambermaid.
他们可能很富有，但给看门人和房间女服务员多少小费，心中却根本没有数；