盐水需要吸收更多的热量才能煮沸,所以盐水的沸点更高,煮沸的时间也比纯水更长。
44. Carrots help you see in the dark
胡萝卜能让你在黑暗中看清东西
Carrots contain vitamin A, or retinol, and this is required for your body to synthesise rhodopsin, which is the pigment in your eyes that operates in low-light conditions. If you have a vitamin A deficiency, you will develop nyctalopia or night blindness. Eating carrots would correct this and improve your night vision, but only to the point of an ordinary healthy person - it won't ever let you see in complete darkness.
胡萝卜内含有维生素A,也就是所说的视黄醇,它是你体内综合视网膜紫质的必需物质,是你眼睛里的一种色素,这种色素能让你在光线较暗的环境下看清东西。如果你缺少维生素A,你可能会形成夜盲症。吃胡萝卜能够改善这种情况,并能提高你的夜市能力,但这种方法只针对于普通的健康人群,并且也不能让你在完全漆黑的环境下看清东西。
45. Houseflies only live for around 24hours
家蝇仅能存活大约24小时
The adult housefly can live up to one month in the wild.
家蝇成虫在野外能存活一个月。
46. Eating cheese before bed will give you nightmares
睡觉之前吃奶酪会让你做噩梦
Cheese is believed to give you more emotionally charged dreams but not necessarily nightmares.
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