weeded

1.They weeded out useless books from library.

图书室里淘汰无用书。

2.He weeded out the books he didn't want.

把不想要书丢掉了。

3.It can weed perfectly,over 90% of the ruderal was weeded;

除草效果良好,总体除草率达到90%以上,达到了传统耕作除草效果;