Nigeran
黑曲霉多糖
🗣️ 情景例句
with Richard, Robbie, and me.
和 Richard Robbie及我在一起。
When the weather is hot, we turn on the air conditioner.
天热的时候就开空调。
Kate, could you answer the telephone, please? I'm busy.
凯特，你能接一下电话吗？我忙着呢。