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除草剂
1. 除草剂：可使转殖作物获得抗植物病毒的能力转殖作物有: 烟草(tobacco),蕃茄(tomatoes)和马玲薯(potatoes)等.将有抗除草剂的基因(Genes for resistance to herbicides)转入作物以增强其对除草剂(weed killer)的存活能力.科学家
2. 除莠剂：weed infestation 杂草丛生 | weed killer 除莠剂 | weeder 除草机
3. 除草剤：weed 雑草 | weed killer 除草剤 | week 週
4. 除草劑;殺草劑：weeding 除草 | weed killer 除草劑;殺草劑 | Wegener's hypothesis 韋根納假說
noun
1. a chemical agent that destroys plants or inhibits their growth
Synonym: herbicide weedkiller