Send your answers on the back of a postcard.将答案写在明信片背面寄出。Print your name and address on a postcard and send it to us.在明信片上用印刷体写上你的名字和地址，然后邮寄给我们。The army sent me a postcard acknowledging my request.军队寄给我一张明信片告知我的申请书已收到。Th...
For more details about these products, send a postcard marked HB/FF.要了解这些产品的详细信息，请寄来标明HB/FF字样的明信片。The army sent me a postcard acknowledging my request.军队寄给我一张明信片告知我的申请书已收到。Send your answers on the back of a postcard.将答案写...
Drivers must be on the alert for traffic signals.驾驶员必须密切注意交通信号.They were constantly on the alert not to be taken by surprise.他们一直处于常备不懈状态以防突然袭击.Hearing this, I was instantly on the alert.我一听这话, 当下就警惕起来....