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
I've seen pictures of him.
我见过他的照片。
How much do you want to change?
您想兑换多少？
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。