Adatom
n. [化]吸附原子
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
Who spoke a while ago?
刚才谁在讲话？
What are you going to give our art teacher for Teachers' Day?
教师节你打算送什么礼物给我们的美术老师？