柯林斯詞典weedkiller /?wi?d?k?l?/ (weedkillers) 1. N-MASS Weedkiller is a substance you put on your garden or lawn to kill weeds. 除草劑 返回 weedkiller劍橋詞典a chemical used for killing weeds 除草劑,除莠劑 返回 weedkiller