Thephylline
[机] 茶碱
🗣️ 情景例句
Sam, this is Susan. Sam
我是Susan。
I feel terrible about it.
太对不起了。
After the funeral, Joe and Bob revealed a secret which they had kept for over fifty years.
葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。