At the height of 8,000 meters, there is only 30% O? and the human body can only stand this height for a few days, so it is dangerous for humans to climb higher.
在8000米的高度，只有30%的氧气，人体只能处于这个高度仅几天，所以人类再往上爬是危险的。
2
The results show that posterior height of vertebral body and Upper antero-posterior diameter of vertebral body are positive allometry.
结果表明，椎体后高、椎体上矢径呈正异速生长。
3
Those in large speed-dating sessions instead made choices based on quick and easy-to-assess characteristics such as age, height, body mass index, and weight.