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關(guān)閉窗口 ■valuable: a small object, especially jewellery, which might be sold for a lot of money(貴重物品). eg.
recover stolen valuables
語法：總是用復(fù)數(shù)形式。
■variable: a number, amount or situation which can change(可變的事物; 可變的量). eg.
The variables in the equation are X, Y and Z.
The data was analysed according to neighbourhoods, but other key variables like credit rating, job history, savings and marital status were ignored altogether.
語法：可數(shù)，常用復(fù)數(shù)。
■untouchable: in some societies, someone who belongs to the lowest social class(賤民，不可接觸者). eg.
He was born an untouchable in a very poor village in south
語法：可數(shù)。
■unmentionable：unmentionable people or things (esp underwear)（不宜提到的人或事物， （尤指）內(nèi)衣）.
語法：總是用復(fù)數(shù)形式。
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