记忆方法
1、sign- + -ed.
看到不对的地方请告诉我们
权威例句
- 1. The waiter returned with their order and Graham signed the bill.
- 侍者把他们点的餐端了过来，格雷厄姆签了单。
- 2. A formal contract is signed which is renewable annually.
- 正式签订了每年可续签的合同。
- 3. Leaders of some rival factions signed a peace agreement last week.
- 上周，一些敌对派系领导人签订了和平协议。
- 4. I signed in and crunched across the gravel to my room.
- 我签到后嘎吱嘎吱走过石子路来到我的房间。
- 5. The foreign ministers of the two countries signed the documents today.
- 两国的外交大臣今天签署了文件。