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
Smoking is addictive, and causes cancer, But the point I most want to emphasize is that it damages the health of those around you.
吸烟会上瘾，会引发癌症。但我最想说的是，吸烟同时也有损你的健康。
That's fine. What time do I have to be at the airport?
好的。我应该几时到达机场？
I got up early and bought thirty-seven cards.
我早早起了床，买来了37张明信片。