Backing copy
[計(jì)] 備用拷貝
?? 詞語(yǔ)組成解析
backing
[['b?ki?]]
n. 后退, 襯背, 后援, 支持者\(yùn)\n[化] 襯墊
copy
['kɑpi]
n. 復(fù)制品;一份;（報(bào)刊等的）稿件;準(zhǔn)備排印的書(shū)面材料;
vt.& vi. 復(fù)制;抄寫(xiě);容許復(fù)制的;
vt. 模仿;仿造…的樣式或圖案;抄寫(xiě);復(fù)制;
??? 情景例句
How many words can you type per minute?
你一分鐘能打多少字？
A group of us went out to the theater last night.
我們一群人昨晚去外面到劇院。
We are lucky in that only the lower fields, which make up a very small proportion of our farm, are effected by flooding,
值得慶幸的是，只有低洼的受到洪水影響，而低洼地在我們農(nóng)場(chǎng)比例很小。