Allowance unit
[機] 許用單位
?? 詞語組成解析
allowance
[?'la??ns]
n. 津貼，補貼，零用錢;限額;折扣;默許，默認;
vt. 給（某人）零用錢或津貼;按定量供給;
allow允許 + ance 表名詞，狀態、情況 → n. 津貼,補貼,零用錢
unit
['ju:nit]
n. 單位，單元;裝置;個體;[數]單位數;
??? 情景例句
This couple treats their adopted child as their own.
這對夫婦把他們的養子視如己出。
His friend was filled with joy over the good news.
他的朋友因得知這個好消息而雀躍。
That'll put us both in the picture.
這樣雙方都能了解全面的情況。