Val
[化] 缬氨酸
🗣️ 情景例句
in the conference room.
在会议室。
He that cannot ask cannot live.
不会求者不会生。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。