1·Tensing until your muscles hurt may not seem the most sensible way of getting to sleep, but it's a popular and proven cognitive technique.
绷紧你的肌肉直到觉得酸疼。这也许不是一个很好的让你睡觉的方法，但是这是一个很流行的、并已经被证实可行的认知技术。
2·A tight curl, twist, or bend in a length of thin material, as one caused by the tensing of a looped section of wire.
扭结一段长度的材料产生的绷紧的卷曲，曲折或弯曲，例如因。
3·All my muscles were tensing for a fight.
我浑身的肌肉都绷紧了，准备进行一场搏击。