Gently squeeze it between thumb and index fingers.

用拇指和食指的之隙挤捏它。

youdao

Keep the thumbs and index fingers pressing into the floor.

大拇指和食指用力下压。

youdao

He held the ring between his thumbs and index fingers and started pulling it gently.

他用拇指和食指拿着这枚戒指开始轻轻的往外摘。

youdao

Those with ring fingers longer than index fingers did better on the math part of a standardized test than the reading part.

VOA: special.2009.02.25

Dr Manning and Dr Baron-Cohen found that autistic children had extremely long ring fingers compared with their index fingers.

ECONOMIST: Autism

On average, lesbians have ring fingers that are longer than their index fingers, a feature that is typical of men but not of heterosexual women.

ECONOMIST: Homosexuality

That leads us to the main buttons you'll be using, which are conveniently planted where your index fingers and thumbs would naturally land on the earcups.

ENGADGET: Tritton Warhead 7.1 Wireless Surround Sound Headset for Xbox 360 review