摘要:He is sleeping poorly.（他睡不好） He has difficulty in sleeping, inability to concentrate.（他不易入睡，也难集中精神。） It is usually hard for her to fall asleep when she goes to bed at night.（她晚[阅读全文]

摘要:A flock of sheep that leisurely pass by, One after one; the sound of rain, and bees Murmuring; the fall of rivers, winds and seas, Smooth fields, white sheets of water, and pure sky;[阅读全文]