同宿一室；把…对折；弯曲；快跑；加把劲

double up───同宿一室；把…对折；弯曲；快跑；加把劲

doubles up───同宿一室；把…对折；弯曲；快跑；加把劲

double ups───同宿一室；把…对折；弯曲；快跑；加把劲

double jump───双跳

doubling up───倍增保额弥补法

double dip───双减税；两地减税

double run───双程

double tap───双发快射

double top───双顶

He was so scared that his legs doubled up under him and he fell to the floor.───他吓得两腿蜷成一团，倒在地板上。

In this Kenyan slum, his photographs were printed on waterproof vinyl and doubled up as makeshift roofs.───在肯尼亚这个贫民区，他的照片印在防水布上，同时充当临时的屋顶。

Jo doubled up with laughter.───乔笑弯了腰。

Although this woman was doubled up and bent together, it could be seen that she was of very lofty stature.───这妇人，虽然叠成了一堆，却仍看得出，是个极高的大个子。

He eyed the horseshoe poster over the gate of college park: cyclist doubled up like a cod in a pot.───他望了望贴在学院运动场大门上的那张马蹄形海报：骑自行车的恰似锅里的鳕鱼那样蜷缩着身子。

Among Americans aged 25 to 34, the number of people doubled up in households has increased 25 percent since the recession hit in 2007.───自2007年此次衰退依赖，在年纪在25至34岁的美国人中，和他人同住的人数增加了25%。

The interacting light waves, sometimes doubled up by mirror systems, form a tiny three-dimensional array of shimmering energy fields.───互相作用的光波（有时可以通过镜像系统达到增强）形成一个小型三维能量场。

It helps not to be doubled up with hysterical laughter when you have a length of hosing inserted into your backside.───当有一段软管状物体插入阁下后庭的时候，避免歇斯底里般地笑弯腰相信这一良言对你是有好处的。

It seemed to be a farce and it made us doubled up with laugher.───它看起来很像闹剧，我们都笑弯了腰。

The school secretary doubled up as the nurse.

They all doubled up when I told my joke.

He was doubled up at first.

He doubled up his legs and kicked out.

Jo doubled up with laughter.

Both the girls were doubled up with laughter.

He doubled up in/with pain.

She doubled up with laughter.

Most of the crowd doubled up with laughter at every joke.