张力

1. 滑动皮环通过滑动以改变鼓弦张力的皮环
   A leather loop that slides to change the tension on the cord of a drum.
2. 张力充进的有极端的肌肉或动腺紧张
   Having extreme muscular or arterial tension.
3. 绳索在张力之下断了。
   The rope broke under the strain.
4. 这根金属线在断裂之前能承受五十磅的张力。
   This wire will take 50 pounds tension before breaking.

力的英语翻译：