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
I'm afraid I don't share your opinion.
我不敢苟同。
Never trust to fine words.
切勿轻信漂亮话。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。