易混淆的单词： Nictitating

The third eyelid is left over from what 's known as a " nictitating membrane , " which is still present in animals like chickens , lizards and sharks .

第三眼睑是“瞬膜”遗留下来的，瞬膜现在还存于鸡，蜥蜴和鲨鱼中。