Pool of labor
[經(jīng)] 后備勞動(dòng)力
?? 詞語組成解析
pool
[pul]
n. 水池;石油層;（液體等的）一灘;共同儲(chǔ)金;
vi. 使形成池塘或水洼;淤積;合伙經(jīng)營(yíng);采（煤等）;
of
[?v]
prep. 關(guān)于;屬于…的;由…制成;
aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語、方言] =have [主用于虛擬語氣];
labor
['leib?]
n. 勞動(dòng);努力;工作;勞工;
v. 努力爭(zhēng)取(for);苦干;詳細(xì)分析;
adj. 勞工的，工會(huì)的;（常大寫）（英國(guó)或英聯(lián)邦國(guó)家）工黨的;
vi. （指引擎）緩慢而困難地運(yùn)轉(zhuǎn);
??? 情景例句
It's a beautiful day, isn't it?
今天天氣真美，是吧？
He said he would rather not tell his age.
他說他不愿告訴年齡。
What's the doing?
她在干什么？