"airplane flight which deprives travelers of sleep," 1968, from the red eyes of sleeplessness; earlier as a noun meaning "raw and inferior whiskey" (1819, American English).
实用例句
1. If your skin becomes red, sore or very scaly, consult your doctor.
如果皮肤发红、瘙痒或脱皮，要向医生咨询。来自柯林斯例句
2. His exercise books were full of well deserved red ticks.
他的练习本上尽是些红钩钩，都是他应得的。来自柯林斯例句
3. Bake some big red peppers and hollow them out.
将几个大红甜椒烤一烤，再把它们掏空。来自柯林斯例句
4. The waiter offered him red wine or white wine with his meal.
侍者为他端上佐餐的红葡萄酒或者白葡萄酒。来自柯林斯例句
5. The shooting-range is lit from underneath by rows of ruby-red light fittings.
