tautening
v. (使某物)变紧( tauten的现在分词 ); 拉紧; 绷紧; 紧张
If a part of your body tautens or if you tauten it, it becomes stiff or firm.
Her whole body tautened violently...
她全身紧绷得厉害。
There are exercises that tauten facial muscles.
有些练习动作可以让面部肌肉紧绷起来。