He flexed his biceps to show off his muscles.

他弯曲他的二头肌来炫耀他的肌肉。

Capable of being bent or flexed;

柔软的可弯曲或扭曲的；

Capable of being bent or flexed; pliable.

易弯的容易弯曲或折曲的；

Instructions: Lay on back with hips and knees flexed.

髋部和膝部弯曲，将橡皮带绕过膝部并在后方交叉。

So this right foot is flexed. Good, micro bend in that right knee. And here we go.

这只右脚是弯曲的。很好，右膝微微弯曲。我们开始吧。

The arms and the body should be relaxed and the knee a little flexed.

胳膊和身体应该放松，膝盖稍微弯曲。

She flexed the muscles in her arm which made the snake slither.

她弯曲她的肌肉，手臂上的蛇随着肌肉而动了起来。

Keep the right toes flexed. Inhale in, exhale maybe coming onto the forearms here.

右脚趾保持弯曲。吸气，呼气，可能要用前臂撑着。

I just simply said does it look like I need your help and pointed to my flexed leg.

我只是简单地说：它看起来像我需要你的帮助，并指出，我的腿弯曲。

Sometimes his substrate teammates just need to be stressed and flexed into their transition state.

有些时候它的基质队友只需挤压和弯曲，就可进入过渡态。