The restoring force in a vibrating flexible membrane arises from the tension with which it is stretched . 柔性膜振动时的回复力起因于使膜绷紧的张力。
Wallowing in his passions, he had found himself in a net which kept drawing tighter about him . 沉迷在七情六欲中，他发现自己陷在一张越收越紧的罗网中。
As i took one last look i saw not a crowd but the set faces of individual men and women . 当我朝他们望了告别的一眼时，我看到的不是人群，而是男男女女一张张肌肉绷紧的脸。
I held the taut line and felt the faint pulsing of the spinner revolving while i looked at the dark november water of the lake and the deserted shore . 我握着那拉紧的线，感觉到转动着的放线机的轻轻抖动，眼睛望那十一月的黯淡的湖水和荒凉的湖岸。
He used to give curious concerts in which mad gypsies tore wild music from little zithers, or grave, yellow-shawled tunisians plucked at the strained strings of monstrous lutes . 他经常举行古怪的音乐会，让一些疯狂的吉卜赛人在小筝上演奏粗犷的音乐，或是让一些面容庄严，戴黄头巾的突尼斯人拨弄绷紧的琵琶弦。
Sandburg and lindsay walked the tight-rope; if the tension of their verse slackened; they were precipitated into extremes of prosiness or sentimentality . 桑德伯格和林赛走的是绷紧的钢索；假如他们的诗在张力上一放松，就要摔到两个极端去，不是平淡无味，就是无病呻吟。
Euro top : for a tight surface with a pillow top feel 为紧的表面以枕头上面感受。
