We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow.

我们认为，拉动长弓上的弓弦大约需要100磅的力。

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Jaw muscles can provide about 200 pounds of force to bring the back teeth together for chewing.

颚肌可提供约200磅(90.72公斤)的力量，以便臼齿合拢咀嚼。

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AMSTERDAM (Reuters) - A young Dutch architect has created a floating bed which hovers above the ground through magnetic force and comes with a price tag of 1.2 million euros (810,000 pounds).

目前，一名年轻的荷兰建筑师研制成功了一张通过磁力漂浮在半空中的床。 这张床的售价高达120万欧元。

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Its survivability stats, printed around the lens, include waterproof to 14 meters (46 feet), shockproof to 2-meter (6.5-foot) drops, crush-proof to 100 kilograms (220 pounds) of force and cold-proof to -10 degrees Celsius (14 degrees Fahrenheit).

ENGADGET

Two: In the course of designing Stompy, the Project Hexapod crew developed a position-controlled hydraulic actuator capable of generating 18, 000 pounds of force with a two-foot stroke that's two orders of magnitude cheaper that comparable hardware.

ENGADGET: Stompy gets off the ground with a Kickstarter: buy a ride on a 2-ton hexabot

They can tell you how many pounds it takes to--of force it takes to brush your teeth, you know.

NPR: Shuttle Spacewalk Repair Mission a Success