Wind the dangling floss around the middle finger of the other hand.

将悬挂着的牙线缠绕在另一只手的中指上。

youdao

You can move side to side, back and forth, or in circles with your middle finger.

你可以两边着力，来来回回，或者用中指画圈。

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In fact, the animal uses its middle finger to find and harvest insect larvae in trees.

然而实际上这种动物的长中指是作为捕食昆虫的工具。 每当夜晚降临，它会潜伏在树中，用它长长的中指迅速敲击树干，通过倾听声音判别含有幼虫的部分。

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Now take these two fingers-- the middle finger and the thumb-- and as much as possible, from that 90 degree angle, create a circle.

再让这两个手指-,中指和姆指-,尽可能保持直角时围成一个圆圈。

哈佛公开课 - 幸福课课程节选

Middle finger exactly and your thumb.

中指和姆指。

哈佛公开课 - 幸福课课程节选

So-- if you don't feel comfortable doing it, don't do it-- what I'd like to do now is as following: Take your thumb and your middle finger and create as much as possible a 90 degree angle.

感觉不舒服的，就不要做，希望按下面的指示做：,让你的姆指和中指,尽可能形成一个直角。

哈佛公开课 - 幸福课课程节选

On a recent February afternoon, horns honked and a middle finger flew as Cabral walked the traffic island.

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He underwent surgery last December to repair a ruptured ligament in the middle finger of his right hand.

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With the case of the thumbs up or the raised middle finger, the gestures are taking the place of verbal communication.

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