Heels not only have to be the right height but in the right position: not too far back, but under the centre of the heel so they support your weight properly, following the natural line of your body.

鞋跟不仅要有一个合适的高度，也需要在正确的位置上：不能太靠后，要在脚后跟的中心，这样的鞋跟才能沿着你的身体曲线有效地支持你的体重。

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Yet Chris Shim, “blessed” in height, always managed to squeeze himself into a compact and safe fetal position.

然而我——克里斯朵夫•史姆同志，却被他的身高“关照着”，总能设法将自己压缩在一个安全范围中，妥善地保护自己。

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In a lunge position, place your right foot on a bench or a step at knee height, and place both hands, palms down, on your right knee, keeping your left leg straight.

以弓箭步姿势，将你的右脚放在一个齐膝的长凳或台阶上，双手抚右膝，保持左腿伸直。

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Adjust the height so you're in a 90-90-90 position--feet flat on the floor or on a foot rest and your knees and hips bent at 90-degree angles.

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Using the footage and the location of an impact into Lake Chebarkul, Jorge Zuluaga and Ignacio Ferrin, from the University of Antioquia in Medellin were able to use simple trigonometry to calculate the height, speed and position of the rock as it fell to Earth.

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But, it is the height of folly to ignore efforts being made to advance that goal, by people in a position to do so and to make their job easier by joining their allies and apologists in attacking and suppressing their critics as paranoids or bigots.

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