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。

youdao

The force that the air pump puts out is dozens of pounds per square inch per second.

空气泵产生的压力达到每秒每平方英寸几十磅。

youdao

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。

youdao

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