Livi's index
[醫(yī)] 利維氏指數(shù)(身長(zhǎng)與體重的關(guān)系)
?? 詞語(yǔ)組成解析
index
['?nd?ks]
n. 索引;<數(shù)>指數(shù);指示;標(biāo)志;
vt. 給…編索引;把…編入索引;[經(jīng)濟(jì)學(xué)]按生活指數(shù)調(diào)整（工資、價(jià)格等）;
vi. [機(jī)械學(xué)]轉(zhuǎn)位;
in(in)+dex(proclaim)→指針；索引；指數(shù)；食指；指標(biāo)
??? 情景例句
What did I forget?
我忘記什么？
One woman, in Peru, was saved from an earthquake by lying between two mattresses.
秘魯?shù)囊晃粙D女，躲在墊子之間從地震中死里逃生。
On which ones?
哪幾個(gè)品目呢，