Filler sand
[机] 填砂, 背砂
🧩 词语组成解析
filler
['filə]
n. 填装物，填塞物;填装者，填注者;（杂志等的）补白;（报纸等的）补白;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
Truth's best ornament is nakedness.
不加装饰是真理的最好的装饰。
Oh, that's quite early! Where are we going to meet?
噢，那很早！我们打算在哪儿会合？