名词
中文翻译：Unknown
同义词：
['tighten', 'constrict', 'contract', 'tighten']
例句：
-
1. The rope was too tight around the tree, so I had to loosen it.
绳子太紧了，绕在树上，所以我得松开它。
-
2. The muscles in her arms were starting to contract as she ran.
她跑步时，手臂的肌肉开始收缩。
-
3. The engineer tightened the bolts on the door to ensure it would not open accidentally.
工程师拧紧门上的螺栓，确保门不会意外打开。