Index constraint
[計(jì)] 下標(biāo)約束
?? 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
is a collection of photographs
是選出的攝影作品
Oh, I'm just going to take it easy.
哦，我只想休息休息。
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.
此刻老婦人也鎮(zhèn)定了下來(lái)，準(zhǔn)備在看門人的協(xié)助下搜尋可能仍躲藏在她房里的竅賊。