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后退三步
1、three to three───三对三
2、three───num.三；n.三，三个；adj.三的，三个的
3、first three───前三个；[体]前三名
4、three forty───340
5、unit three───第三单元
6、three of───三个
7、three course───三道菜
8、back back───后退
9、thin three───薄三
1、He knocked back three pints of beer in ten minutes.───他在10分钟里喝了3品脱啤酒。
2、He visited Afghanistan in 2007 and has been back three times.───他去了阿富汗，共去过三次。
3、The company, a clearinghouse that provides blood samples for medical research, called her back three more times this school year.───这个为医学研究提供血液样本的中介公司，这学期把她召回了三四次。
4、Five-minute interview, try to look back Three Hundred Tang Poems, or Lincoln's Gettysburg Address, to relax the mood to put intense battle.───面试前五分钟，试着背一下唐诗三百首，或林肯的葛底斯堡演讲，放松一下情绪，以便投入紧张的战斗。
5、Jumping back three centuries from most of the works on this list, we have the poet Edmund Spenser.───书单的大部分书那里往后跳三个世纪，我们找到了诗人埃德曼•斯宾塞。
6、When he comes back three and a half hours later, they're still sitting on the sofa, absorbed in conversation.───等他三个半小时以后回来，她们俩仍然坐在沙发上聊个不停。
7、Twenty years later, however, Spanish conquistador Hernando Cortez is said to have brought back three chests full of cacao beans.───然而二十年后，据说西班牙征服者赫尔南·科尔斯特带来了三箱装的满满的可可豆。
8、CFTC says it will soon release disaggregated data going back three years.───CFTC称其即将公布过往三年的分析数据。
9、Chelsea substitution Boulahrouz for Diarra. Boulahrouz goes to the right of the back three and Essien into midfield.───53分–切尔西换人：博拉鲁斯入替迪亚拉。博拉鲁斯站在三人后防线的右边，而埃辛改踢中场。
1、Pry back three clips retaining air cleaner cover to air cleaner housing.
2、Jumping back three centuries from most of the works on this list, we have the poet Edmund Spenser.
3、Favre started the game with a back three consisting of Simunic, Friedrich and von Bergen.
4、Move back three squares.
5、Work on the new theatre has been set back three months.
6、Step back three paces.
7、Johnson easily won the 400, then came back three days later to obliterate the record in the 200.
8、The revisions go back three years, as the Bureau of Economic Analysis (BEA) incorporates more detailed tax information from the Internal Revenue Service.
9、Think back three months.