a wild plant growing where it is not wanted and in competition with cultivated plants
杂草,野草。
[mass noun]any wild plant growing in salt or fresh water
水生植物。
〈非正式〉 大麻。
(
〈非正式〉 烟草。
〈非正式〉 下贱懦弱的人。
〈非正式〉 (长腿)瘦弱的马。
remove unwanted plants from (an area of ground or the plants cultivated in it)
清除… 的杂草
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I was weeding a flower bed .我当时在清除花坛的杂草。
(
剔除,淘汰
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we must raise the level of research and weed out the poorest work .我们必须提高研究水平,把质量最差的工作剔除。
"Old English