You can leave it on the lowest setting all night.
你可以把它调到最低档然后开一整夜。
You will often find yourself alternating between low light and daylight, so make sure you reset the ISO to the lowest setting immediately after you have finished shooting at a higher sensitivity.
你常常会在微弱光线和日光下变换拍摄，所以当你用高iso值拍摄完毕后，一定不要忘记马上把它调回最低值。
Leave your electric blanket on the lowest setting while you sleep.
在睡觉的时候把电热毯开到最低档。
Leave your electric blanket on the lowest setting while you sleep.
在睡觉的时候把电热毯开到最低档。
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