动词 weed:

1. clear of weeds

weedn.杂草；野草n.衣服；丧服vi.除草；清除；淘汰weed flavour杂草味Weed Science除草机weed harvest水草收割机Weed biotype生物型Weed density杂草密度weed spectrum杀草谱weed covering杂草覆盖Weed seedbank杂草种子库weed seed oil黑麦草油weed-filledadj.海藻丛生的

1. Mother weeded out the library because there were too many books.
   书房书太多，母亲扔掉那些不必要的书。
2. He weeded out the books he no longer needed.
   他把不再需要的书清理出去了。