Polyetherin
多醚菌素
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
This is a little something for you.
这是我给你们的一点心意。