动词
中文翻译：延长
同义词：
['prolong', 'enlarge', 'extend']
例句：
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1. The company has decided toextend the deadline for project completion.
公司已决定将项目完成期限延长。
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2. The managerextended an invitation to the visiting delegation.
经理向来访的代表团发出了邀请。
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3.The bridge was extended to accommodate more traffic.
桥梁被延长以容纳更多的交通流量。