Unit sand
[机] 单元砂, 整体砂
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
OK. But don't delay too long. Or that trip will be all booked.
好，但不要拖太久，否则会订满的。
I'll make up the money to the amount you need.
我会补足这笔款项。
Some of them are going to the park.
他们中有几个正走进公园。