Xanthellin
黄枯草菌素
🗣️ 情景例句
When are Susan and Harry picking you up, Marilyn?
Susan和Harry什么时候来接你们， Marilyn
He can't come and he sends his apologies.
他为他的不能前来致歉。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。