Dictamnin
[化] 白藓碱
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
Lily is a Sophomore now.
莉莉现在大学二年级。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。