Threonines
(threonine 的复数) n.[生化]苏氨酸
🗣️ 情景例句
Sit down. Sit down.
请坐。请坐吧。
There is no place like home.
再好之处不如自己家。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。