A mattress line aimed at combating dust mites, mold and germs, the HealthSmart featured a zip-off top that could be washed or dry cleaned.

健康智能床垫生产线目标在于对抗灰尘和细菌，特点是表层设计成拉链，可以拿下来洗干净或者晒干。

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Kei Nishikori notched the biggest win of his career Saturday, knocking off top-ranked Novak Djokovic 2-6, 7-6(4), 6-0 in the Swiss Indoors Basel semi-finals.

锦织圭在周六取得了自己职业生涯最伟大的胜利，半决赛中，他以2:6, 7:6, 6:0的比分逆转现世界排名第一的塞尔维亚人德约科维奇。

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She jumped off the top board.

她从高层跳板上跳了下来。

《牛津词典》

His name was Arnold Parks. He caught another worker who had fallen off the top of the canyon.

VOA: special.2010.10.27

We just go through the list top to bottom, left to right, and cross names off as we go.

我们会从上到下，从左到右看那个问题清单，如果解决了就把名字擦掉。

哈佛公开课 - 计算机科学课程节选

Alums with Nobel prizes? Oh, I don't... I can't think of any like, off the top of my head.

获得诺贝尔奖的校友吗？这个……我一时还想不出来。

知道约翰·纳什吗？ - SpeakingMax英语口语达人

Then last year, they went 26-10-4, knocked off top-ranked Yale and made the NCAA tournament.

WSJ: Frozen Four: Dear Union College: I'm Sorry

And Huddersfield are again going well this time round in fourth, just four points off top spot.

BBC: Huddersfield coach Nathan Brown denies Cronulla link

Despite being one of the league's bottom feeders, the Wizards had shown an ability to knock off top teams.

WSJ: The Knicks' So-Called 'Soft' Part of the Schedule