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
Well, it's eight twenty now.
现在是八点二十了。
Dexterity comes by experience.
熟练来自经验。
At the time, this did not strike me as odd.
一开始，我并不感到奇怪，