double
过去分词：
动词过去分词: doubled
更多词形：
名词: doubleness | 动词过去式: doubled | 动词过去分词: doubled | 动词现在分词: doubling | 动词第三人称单数: doubles |
单词例句：
For strong sewing use double, not single thread.
为了缝得牢，用双线，而不要用单线。
The soldiers came at the double.
士兵们是急行军来的。
The brothers work in double harness.
哥儿俩一起工作。
Come on, comrades. Double up.
来，同志们，赶快！
Petrochemicals today account for one fourth of all the chemicals made, in ten years this amount is expected to double.
石油化工产品现在已占所有化学制品的四分之一，十年后预计这个数目还要加倍。
The measures will enable us to double our output of bicycle.
这些措施能使我们的自行车产量加倍。
They (were) bent double crouching under the table.
他们蜷著身子蹲在桌子底下。
He is living a double life- a church warden by day and a thief by night.
他以前过着双重人格的生活－－白天当教区委员、夜里当贼。
Please double up the chair and put it aside.
请把椅子折起来放在一边。