Taproot

['tæpruːt]

解释:

(noun.) something that provides an important central source for growth or development; 'the taproot of his resentment'; 'genius and insanity spring from the same taproot'.

(noun.) (botany) main root of a plant growing straight downward from the stem.

克里斯整理--From WordNet

解释:

(n.) The root of a plant which penetrates the earth directly downward to a considerable depth without dividing.

格伦录入