1998年至2007年间,全科医生咨询机构治疗非黑素瘤皮肤癌案例增加了14%,平均每年看诊达95万次。
2) You could fit the world’s population in the boundary of New York City
(2)纽约市就可以容纳全世界的人口
However, this would only happen if there were no buildings, the land was perfectly flat and everyone stood bunched together exceptionally tightly, according to calculations by waitbutwhy.com.
不过,waitbutwhy网站计算后称,前提是那里什么建筑物也没有、地势极其平坦、每个人都紧挨在一起。
3) The average cloud weighs 500 tonnes
(3)每朵云平均重500吨
As Peggy LeMone of the National Center for Atmospheric Research says, the water density of a typical cumulus cloud is 1/2 a gram per cubic meter.
美国大气研究中心的佩吉·莱蒙说,通常情况下一朵积云水汽的密度在每立方米0.5克。
The average size of the same cloud is around a kilometer long, wide and tall, meaning they are around one billion cubic meters in volume.
这样的一朵云,平均长宽高都约有1千米,也就是说其体积大约有一百万立方米。
This means the average water content of a typical cumulus cloud is 500,000,000 grams, or 500 tonnes.
这就意味着一朵普通的积云水汽含量在5亿克,或者说500吨。
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