优质解答
weed /wi:d/ noun, verb
■ 1 [C] a wild plant growing where it is not wanted, especially among crops or garden plants 杂草,野草（尤指庄稼或花园中的）
2 [U] any wild plant without flowers that grows in water and forms a green floating mass 水草
3 the weed [sing.] (humorous) tobacco or cigarettes 烟草；烟叶；香烟；烟卷 ： I wish I could give up the weed (= stop smoking). 但愿我能把烟戒掉.
4 [U] (informal) the drug cannabis 大麻烟
5 [C] (BrE, informal, disapproving) a person with a weak character or body 懦弱的人；体弱的人
weed /wi:d/ noun, verb
■ 1 [C] a wild plant growing where it is not wanted, especially among crops or garden plants 杂草,野草（尤指庄稼或花园中的）
2 [U] any wild plant without flowers that grows in water and forms a green floating mass 水草
3 the weed [sing.] (humorous) tobacco or cigarettes 烟草；烟叶；香烟；烟卷 ： I wish I could give up the weed (= stop smoking). 但愿我能把烟戒掉.
4 [U] (informal) the drug cannabis 大麻烟
5 [C] (BrE, informal, disapproving) a person with a weak character or body 懦弱的人；体弱的人