Cloud density
[化] 云密度; 电子云密度
🧩 词语组成解析
cloud
[klaud]
n. 云;云状物;一团;阴影;
vi. 布满云;显得阴沉;看起来忧愁）;
vt. 使难以理解;使…朦胧不清;使减少乐趣;混淆;
🗣️ 情景例句
Thanks a lot for having us.
真感谢你邀请我们来。
Your English is very good.
你的英语很好。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。