1. It is annoying when stockings ladder. 长统袜抽丝时真叫人扫兴。
2. Book is the ladder of human progress. 书籍是人类进步的阶梯。---高尔基。
3. You can see the ladder under the tree. 意思是你可以看到梯子在树下面。
英英解释
n.
1. steps consisting of two parallel members connected by rungs; for climbing up or down
2. ascending stages by which somebody or something can progress
3. a row of unravelled stitches v.
1. come unraveled or undone as if by snagging