Index hole
[計] 索引孔
?? 詞語組成解析
index
['?nd?ks]
n. 索引;<數>指數;指示;標志;
vt. 給…編索引;把…編入索引;[經濟學]按生活指數調整（工資、價格等）;
vi. [機械學]轉位;
in(in)+dex(proclaim)→指針；索引；指數；食指；指標
hole
[hol]
n. 洞，孔;洞穴，穴;缺陷;<口>絕境;
vt.& vi. （在…上）打洞或穿孔;
vi. 鑿洞;（高爾夫球等）進洞;
??? 情景例句
So, what would you like to do tonight?
你今晚想干些什么？
A light heart lives long.
心胸開朗，使人壽長。
for the simple reason that I was left with several curiously shaped bits of metal which did not seem to fit anywhere.
原因很簡單，因為還剩下幾個形狀奇特的零件似乎哪里也裝不上去。