Area density
[电] 面密度
🏥 医学释义
表面密度
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
I wrote 9 books.
我写了九本书。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，