Behind me someone switched on a light, and I could see his luxuriant silvery hair and strong, craggy face.
身后的客人开亮一支手电，使我能看清他那银色的头发和健壮、多棱的脸孔。
I made a skype call in the morning on the day of the show and during it my voice suddenly switched off like a light!
那天早上我做了一个skype通话，突然我的嗓子就像灯一样突然关掉了！
Behind me someone switched on a light, and I could see his thick silvery hair and strong, square jaw.
我身后有人打开了灯，我看到了他浓密的银发，还有方正有力的下巴。
A light should be fixed in the doorway and switched on at night.
家门口必须安装一盏灯，并且在晚间开着。
In a second mode, these two light-emitting forms can be switched on and off more or less at will using light of different wavelengths (' photo-switching ').
在第二种方式下，在用不同波长的光照射时，这种蛋白会或多或少改变它的这两种发光方式。
In a second mode, these two light-emitting forms can be switched on and off more or less at will using light of different wavelengths (' photo-switching ').
在第二种方式下，在用不同波长的光照射时，这种蛋白会或多或少改变它的这两种发光方式。
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