For a string of specified length, tautness and density only certain note can be generated.

一根确定长度、松紧和密度的弦只能发出某某音。每条线的操作是自如的。

youdao

The squirrel can steer somewhat by moving its wrists and adjusting the tautness of its patagium.

飞鼠可以通过活动腕关节及调整翼膜的松紧度来稍微改变滑翔方向。

youdao

His hand dug into his back pockets, careless, but the tautness of his shoulders showed something else.

他的手动用他的后面口袋，粗心的，但是他的肩拉紧显示了别的东西。

youdao

The ride was subdued and supple, yet the tautness was clearly there for spirited driving on twisty roads.

FORBES: An Unforgettable Ride In A Rare BMW M1 Supercar

His skin was warm, and when he moved on top of her Vivian felt the thin tautness of his body.

NEWYORKER: Temporary