柯林斯詞典taproot /?t?p?ru?t/ 1. N the large single root of plants such as the dandelion, which grows vertically downwards and bears smaller lateral roots 直根; 主根 返回 taproot劍橋詞典a thick main root found in some plants , such as the carrot , that stores food and grows straight down vertically (植物的)直根 返回 taproot