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required

英式英标[rɪ\'kwaɪrd]
美式音标[rɪ\'kwaɪəd]

adj. 必需的；（美）必修的

v. 需要（require的过去式及过去分词形式）；要求

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英文词源

required (adj.): c. 1600, past participle adjective from require (v.). Required reading attested from 1881.

实用例句

1. The demand generated by one factory required the construction of another.: 一家工厂产生的需求使得必须再建造一家工厂。

2. Interest is paid monthly. Three months' notice is required for withdrawals.: 利息按月支付。提款须提前3个月通知银行。

3. Unions are required to give seven days' notice of industrial action.: 工会组织劳工行动应提前7天作出声明。

4. She suffered from anaemia and even required blood transfusions.: 她患有贫血症，甚至需要输血。

5. It was exacting work and required all his patience.: 工作很艰巨，需要他有极大的耐心。

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