柯林斯词典taproot /ˈtæpˌruːt/ 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剑桥词典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