thumb 四级考研

Tom Thumb lettuce.

矮。

the apposition of thumb and forefinger

大拇指与食指并列

The thumb is an opposable digit.

大拇指与食指处于相对位置

There is a hole in the thumb of his mitten.

他的手套的姆指上有个洞。

The base of the thumb is where it joins the hand.

拇指的起点是在与手掌接合处。

hold the index finger down with the thumb extended.

按下食指，拇指伸直。

she gave him the thumbs-up sign.

她向他做了个拇指向上的手势。

he thumbed towards the men behind him.

他拇指指着他后面的人。

Tom Thumb and Hunca Munca went cautiously across the hearthrug.

汤姆大拇和亨卡忙卡小心翼翼地穿过壁炉前的地毯。

thumbed through the latest issue of the magazine.

翻阅最近的一期杂志

I'm all fingers and thumbs today.

今天我手脚不灵。

Opposition in an important movement of thumb, for thumb opposes other fingers in many types of prehension.

摘要对向动作是大姆指的一个重要动作，它帮助大姆指完成多数的握执动作。

the baby plugged his thumb into his mouth.

这个婴儿把大拇指塞进了嘴里。

as soon as she thumbed the button, the door slid open.

她拇指一触按钮，门就滑开了。

his dictionaries were thumbed and ink-stained.

他的词典均起折角，墨汁斑斑。

A photograph shows one of the crowd thumbing his nose at the speaker.

有张照片上显示一位听众对讲演人做出不屑一顾的动作。

We’ve got the thumbs up for the new swimming pool.

我们要求建一个新游泳池的提议得到了批准。