1. Mariella mainlines cocaine five to seven times a day.
   玛丽埃拉一天静脉注射可卡因５到7次。
2. Our breakfast hour is at seven o'clock.
   我们吃早餐的时间是七点钟。
3. She spent seven days afloat on a raft.
   她在一只木筏上漂泊了七天。
4. Cooking, cleaning and ironing seven days a week.
   What a life!一周七天,天天做饭、打扫、熨衣服。这是什么鬼日子！
5. The child wheedled seven dollars out of his father.
   那孩子用甜言蜜语哄父亲给了他7美元。
6. Lanny got a French translation of the seven plays.
   兰尼有这七个戏剧的法文译本。
7. They had the animal neutered some seven years back.
   他们约在七年之前将这家畜去势。
8. At the end of the row, bind off seven stitches.
   最后一行要收七针。
9. He computed that the project would take seven years to complete.
   他估计这项计划要花七年才能完成。
10. Cooking, cleaning and ironing seven days a week.What a life!
    一周七天，天天做饭、打扫、熨衣服。这是什么鬼日子！
11. Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.
    可分离的碳环化合物环内含七个或七个以下的碳。
12. The shop is open seven days a week excluding Christmas Day.
    本商店每周七天营业, 圣诞节除外。
13. One of the seven wonders of the ancient world was the Pyramids.
    金字塔是古代世界的七大奇迹之一。
14. The mood changes abruptly after six or seven bars of wayward decrescendo.
    六七个小节长时间的渐弱之后，音乐的情绪陡然改变了。
15. If a person is missing for seven years,he is presumed dead.
    假如一个人失踪七年,即看作已经死亡。
16. "He made the following pun, 'Seven days without water make one weak'."
    他说了下面的一句双关语'七天没有水使人虚弱'/'七天没有水也成一星期。'
17. Cranes take from four to seven years to mature before they pair up.
    鹤要四至七岁才成熟交配。
18. The Gerardia is believed to be about two thousand seven hundred forty-two years old.
    Gerardia珊瑚礁的年龄大约是两千七百四十二年。
19. Janet and Harry have put up the shutters.I see, it must be seven o'clock.
    珍妮特和哈里已经关店了, 看来一定有七点钟了吧。
20. Play from seven different types of poker including the ever popular Texas Hold'Em and Omaha.
    比赛由来自七个不同类型的扑克，包括以往流行的德州扑克和奥马哈。

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