1、announce
宣布;宣告;公布
He will announce tonight that he is resigning from office.
他将于今晚宣布辞职@=)N=#2,R.o。
She was planning to announce her engagement to Peter.
她正计划宣布她和彼得订婚一事MdY5gdBfqc(eg!*glLp。
大声宣告，郑重地说（尤指令人不快之事）
Peter announced that he had no intention of wasting his time at any university.
彼得宣称他无意在任何一所大学浪费时间GeQB,SzQSY。
'I'm having a bath and going to bed,' she announced, and left the room.
“我要洗个澡然后上床睡觉，”她大声说完便离开了房间k]mo8A~n~_c-9-@。
（机场或火车站工作人员通过扬声器）播报，通知
Station staff announced the arrival of the train over the tannoy.
车站工作人员通过广播告知火车到站了ftOi[#)s!H@xf。
They announced his plane was delayed.
广播通知他所乘的航班晚点了=AxiZFTF#zx=uG[。
2、contract
合同;契约
The company won a prestigious contract for work on Europe's tallest building.
这家公司赢得了一份极为重要的合同，参与建设欧洲最高的大厦&6GAnwkcZ2U。
He was given a seven-year contract with an annual salary of $150,000.
他签下了一份为期7年的合同，年薪为15万美元z)4uqBN6;mK~V,W。
签合同，订立契约(做某事)
You can contract with us to deliver your cargo.
你可以跟我们签订送货合同FMirSZ@|c4。
The Boston Museum of Fine Arts has already contracted to lease part of its collection to a museum in Japan.
波士顿美术博物馆已经签订合同，将其部分藏品租借给日本一家博物馆]5#yETC).-C。
(使)收缩;(使)缩小;(使)缩短
Blood is only expelled from the heart when it contracts.
血液在心脏收缩的时候从心脏流出]ZOSBNvH9,。
New research shows that an excess of meat and salt can contract muscles.
新的研究表明，过量食用肉类和盐可能会导致肌肉收缩AQFjMRmVIrE;^dzUdu。

hl_&-tAq]Ios7)Epwo^OQSr|riVVm^ioD,-cq]EIMg%yy 来源:可可英语 http://www.kekenet.com/Article/201512/414044.shtml