然后，在一整天用它来缓解背部紧张度。

Then use it throughout the day to relieve back tension.

一场成败如此难料的比赛紧张度自然很高。

The tension was naturally high for a game with so much at stake.

沟通的缺乏程度直接造成婚姻的紧张度。

Lack in communication is directly proportional to a strained marriage.

并可有效地扩大腭咽腔的通气面积，保持软腭的紧张度及咽黏膜的正常功能。

It can effectively expand the velopharyngeal orifice area ventilation, to maintain the tension soft palate and the normal function of pharynx mucosa.

近况日趋紧张。

The current situation is growing increasingly tense.