3. Arm fracture, the arm after the operation cannot unbend, what is the principle? + arm fracture, the arm after the operation. 手臂骨折,手术后胳臂不能伸直,原理是什么?+手臂骨折,手术后胳臂。
英英解释
v.
1. straighten up or out; make straight
2. unfasten, as a sail, from a spar or a stay
3. free from flexure
4. make less tight
5. become less tense, rest, or take one's ease
6. release from mental strain, tension, or formality