Floor sand
[机] 地面砂, 背砂
🧩 词语组成解析
floor
[flɔr]
n. 地面，地板;楼层;底部;议员席;
vt. 铺地板;击败，打倒;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
Friends are like fiddle-strings,they must not be screwed too tight.
朋友有如琴弦，不能上的太紧。
They were glad of the examination being over.
他们为考试结束了而高兴。