So when you use a regular light bulb for reading before bed you can throw off the levels of melatonin which in turn makes it harder to fall asleep.
如果你睡前阅读用的是普通灯泡，褪黑激素的分泌被扰乱，你就会比较难以入睡。
A bed of gravel on the outside of corners designed with the aim of bringing cars that fall off the circuit to a halt.
在弯道外侧一般要设计砂石带，可以使从赛道甩出的赛车停止下来，总的说就是起到缓冲作用。
It is impossible that betraying happens because of your careless, he is impossible to say: oh, I fall off carelessly, and just fall onto others' bed.
背叛这种事情是不会“不小心就发生”的，他不可能说“噢，我不小心摔了一跤，正好摔到别人床上去了。”
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