Bed density
[化] 床层密度
🧩 词语组成解析
bed
[bɛd]
n. 床;苗圃;河床;（地下由黏土、岩石等构成的）地层;
vt. 把…固定在;（某人）发生性关系;给人铺床;
vi. 上床;分层;
🗣️ 情景例句
Hand me two eggs from the refrigerator,
替我从冰箱拿两个蛋来。
The cowl (or hood) does not make the monk.
穿袈裟的不一定是和尚。
They finally found a small gold coin which was almost worthless.
但最后找到的是一枚几乎一钱不值的小金币。