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n.睡意；困倦；假寐
1、frowstiness───闷
2、droopiness───下垂
3、dowdiness───寒酸
4、downiness───n.绒羽般松软；软毛质
5、blowsiness───吹气
6、frowsiness───冻僵
7、drossiness───嗜睡
8、dressiness───n.服装时髦；讲究衣着
9、dowiness───n.道伊（姓氏）(dowie的变形)
1、The drugs tend to cause drowsiness.───这些药常常使人昏昏欲睡。
2、Nearly a quarter of those surveyed believed they were not getting the minimum amount needed to avoid feelings of drowsiness during the day.───将近四分之一的被调查者认为他们在白天没有多少人能够避免的产生睡意。
3、If you get up, the drowsiness will vanish in a minute or two.───而在那一刻你起身，那昏昏欲睡的感觉将在几分钟内完全消失。
4、Most obese drowsiness, appetite is good, easy to form a vicious cycle.───肥胖者多数嗜睡、胃口好，易形成恶性循环。
5、As the sun began to steal in upon the boys, drowsiness came over them, and they went out on the sandbar and lay down to sleep.───62太阳渐渐升起来，照在孩子们的身上，他们感到困倦难耐，就从林子里走出来，到沙滩上躺下来睡觉。
6、Big meals during the day cause drowsiness.───白天的大餐会让人犯困。
7、heavy drowsiness presently fell upon the two comrades.───两个同志打起了瞌睡。
8、However, there are potential side effects of synthetic antihistamines, which include: dry mouth, throat, eyes and drowsiness.───然而使用人工抗组织胺还有些潜在的副作用，这包括嘴唇、舌头、眼睛干燥，倦睡。
9、But if I feel I'm about to drop from fatigue or drowsiness, I may try inserting an extra 20-minute nap here and there.───目前来说我决定额外增加一次小睡，如果我真的经常在某一个周期内觉得非常疲劳和嗜睡。