动词
中文翻译：系紧
同义词：
['tie', 'fasten', 'secure', 'latch']
例句：
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1.She fastened the door securely before leaving.
她离开前把门牢牢地锁上了。
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2. The car was fastened with aheavy chain.
这辆车被一条沉重的链条紧紧系住了。
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3. He fastened his coatand stepped out into the cold night air.
他系好外套，走出了寒冷的夜晚。