This exercise is fine for tensing up little - used muscles.这项运动有助于锻炼那些不常使用的肌肉.Tense the rope manually before tensing the spring.要想使弹簧有弹力,就手工拉紧绳索.The characteristic of tied - arch bridge is a no - thrust arch structure by...

tensing的音标：...

v.使或变的紧张（tense的现在分词形式）...