单词详解 

1. adj.

A. 双的， 双重的 (twice as great or many)

Our total output is double that of yours. 我们的总产量是你们的两倍。

B. 供两人用的，双人的 (consisting of or involving two parts or components usually in pairs)

We bought a double bed. 我们买了一张双人床。

C. 两面派的，虚伪的 (having two meanings with intent to deceive)

His parents don't like the man who bears a double face. 他父母不喜欢不诚实的人。

2. n.

A. 两倍，双份 (twice the number or amount)

Eight is the double of four. 八是四的两倍。

B. 极为相似的人 (a person or thing that looks exactly like another)

My daughter is my double. 我女儿酷似我。

3. vt.

A. 把……对折，折叠 (bend over or curl up)

I doubled the sheet of the paper and put it away. 我把这张纸折起来放到一边。

B. 是……的两倍，（使）加倍 (increase twofold)

The house has doubled in value since he bought it.

自从他买下这幢房子以来，它的价值已增加了一倍。

C. 兼任，兼作 (do double duty; serve two purposes or have two functions)

That man is doubling the parts of a preacher and a teacher.

那个人扮演牧师和教师两个角色。

相关词组

1. double bed 双人床

We bought a double bed. 我们买了一张双人床。

2. on the double 快速地

The headmaster wants to see you on the double. 校长现在马上就要见你。

相关单词

复数：doubles

现在分词：doubling

过去式：doubled

过去分词：doubled

同义词：duplicate