慢速英语:Experts: Zika Could Infect 93 Million in Americas(翻译)

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2. contract n.合同; 契约; 协议
例句：Several companies will bid for the contract.
数家公司要投标争取合约。

3. predict vt.预言，预测; 预示
例句：I predict it will outmode overnight.
我预测它会一下就过时的。

4. emergency n.紧急情况; 突发事件; 非常时刻
例句：In an emergency, call 119.
遇有紧急情况,请打119。

5. declare vt.申报; 宣布; 声明
例句：Do you think he will declare against the plan?
你认为他会反对这项计划吗？