名词
中文翻译：额外的
同义词：
['additional', 'extra']
例句：
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1.The extrasscular staff wereresponsible for the event's coordination.
额外的工作人员负责了活动的协调工作。
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2. The extrasscular expenses were unexpected and addedto the budget.
额外的费用是意外的，并增加了预算。
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3. The extrasscular details were crucial in ensuring the successof the project.
额外的细节对于确保项目的成功至关重要。