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不懂就問,三明治為啥大多是三角形的?
Unitrans世聯(lián)
文章轉(zhuǎn)載自 21英語微商城 21世紀(jì)英文報(bào)
在我們?nèi)粘I钪?/p>
很多東西都有它們“約定俗成”的
特定形狀
比如三角形的三明治
有坡度的屋頂
橢圓的飛機(jī)舷窗
為什么要用這些形狀呢?
#1
Why are most sandwiches cut into triangles (三角形)?
為什么三明治大多是三角形的?
This is because triangular sandwiches taste better.
因?yàn)槿切蔚娜髦胃贸裕。樯??/p>
You can bite off more of the soft inner (內(nèi)部的) part of a triangular sandwich than a rectangular (長方形的) one.
三角形的三明治,你一口咬下去,可以吃到更多的美味內(nèi)料(吃到的可比長方形的三明治多多了!)
Shapes are special
#2
Why are roofs pointed?
為什么屋頂是尖的?
You might notice that the roofs of houses in southern China are pointy. This is because these places sometimes have heavy rain or snow.
很多中國南方的屋頂都是有一定坡度的,因?yàn)槟抢?span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">總會有大雨或者大雪。
With a pointed roof, rain and snow will slide off the roof and onto the ground.
如果屋頂是有坡度的,雨雪就可以快速從屋頂“滑走”。
If the houses had flat (平的) roofs, the rain and snow would build up over time. This could cause the roof to cave in (塌落).
如果屋頂是平的,雨雪會堆積在上面,也許會導(dǎo)致屋頂?shù)牡顾?/span>(太危險(xiǎn)了吧。
Shapes are special