Sand bed
砂层\\n[机] 砂床
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
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
What is your regular practice concerning the terms of payment?
你们一般采用什么付款方式？
It wasn't very expensive either.
而且也不太贵。
I smoked with concentration and pleasure as I was sure that this would be my last cigarette.
我聚精会神而又愉快地吸着这枝烟。因为我确信这是我最后一枝烟了。