Alternatively use the thumb and forefinger.

交替地使用拇指和食指。

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When using chopsticks, one should place both sticks between the thumb and forefinger.

使用筷子时，要把一双筷子夹在大拇指和食指之间。

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This is called a "right-handed" coordinate system because the thumb and first two fingers of your right hand can be used to represent the three directions.

这被称为“右手”坐标系统，因为你右手的大拇指、食指和中指可以被用来表示三个方向。

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Then pinch the new shoots between your thumb and forefinger.

VOA: special.2009.10.06

Haze opened the door and released the thumb and then slammed the door again."A howl arose that would rend almost any heart."

海斯把门打开，让他把拇指抽回去，之后又,砰地把门关上了，撕心裂肺的嚎叫声“

耶鲁公开课 - 1945年后的美国小说课程节选

They like to--when they're computing the investment yield, they want to be completely honest and not use any rules of thumb.

当他们计算投资收益率的时候,他们需要完全精确,而非用经验公式

耶鲁公开课 - 金融市场课程节选

The contact in a good handshake should be the web of skin between the thumb and index finger.

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The traditional technique of taking out contacts involves moving the lens to the outer, lower corner of the eye and then using the thumb and forefinger to pinch it out.

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The guitarist was recognised as much for his powerful, gruff vocals as his musicianship and was known for playing with picks on both the thumb and index finger of his right hand.

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