Mario could crouch down, tuck his limbs into his shell and slide across the screen.

马里奥从此可以匍匐着把四肢收进壳里，滑行前进。

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The time required for a motion, for example to reach out one's hand, to walk, to stoop down, or crouch and so forth, varies in proportion to the distance of motion.

动作所需的时间，如伸出手、走动、弯腰、作所需的时间如伸出手、时间，弯腰、蹲下，来回走动依据不同的距离而不同。

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Save Cech saves low down with his feet from Riise at close range. The Norwegian is replaced by Peter Crouch.

第82分钟，扑救：切赫倒地后用脚挡住了里瑟近距离的射门，之后这位利物浦的挪威球员被克劳奇换下。

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They took turns to crouch down and put their ear over the grate, while others kept an eye out for any traffic headed their way.

BBC: In search of London's lost rivers

New joints in the robot's base and lower back enable RIBA-II to crouch down and lift a patient off a futon at floor level (Figure 1), the most physically strenuous task for care-givers and one that RIBA was not able to do.

ENGADGET: RIBA-II healthcare robot now stronger, smarter -- still a bear

He was pushed into a Mercedes sedan, covered head to toe with a heavy blanket, and made to crouch head down in the footwell behind the front seat.

NEWYORKER: Hellhole