Three-unit
三單位電碼
?? 詞語組成解析
three
[θri]
num. 三;三個(gè);第三（章，頁等）;
n. 三歲;三個(gè)人[東西];三，三個(gè);
adj. 三的;三個(gè)的;
unit
['ju:nit]
n. 單位，單元;裝置;個(gè)體;[數(shù)]單位數(shù);
??? 情景例句
Freezing, isn't it?
好冷啊！
Who would be so dumb?
誰會(huì)這么蠢？
Who's that boy over there?
那邊的那個(gè)男孩是誰？