Backing sand
[机] 背砂
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
He always keeps his words.
他总是信守诺言。
In the shop, Lucy got all the things on her shopping list, and took them home.
在商店里，露西把单上所列物品全买齐了，然后把它们带回家。