Mesomeride
[化] 内消旋体
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
I hople yu can do well in the examinationgs.
我希望你的考试能成功。
What a pity!
真可惜！