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
OK, just a second.
好了！请稍等一下。
When the police arrived, I was resting.
当警察来的时候，我在休息。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。