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
Something else I was wondering about was...
我想知道其它事是^
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
One day she came into his office and happened to put her hands on the door of a locked safe.
一天，维拉走进父亲的办公室，偶然把手放在一个锁着的保险柜的门上，