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
And perhaps, you'll join us?
也许你能跟我们一起去
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
She doesn't approve gambling.
她反对赌博。