taprootWiktionary 原文构词拆分tap词根/词干+root词根/词干词源说明From tap + root. The oldest use (by Philemon Holland) is spaced as tap root. In the 18th and 19th centuries the standard spelling was tap-root.释义（英文）名词 Noun(botany) A long, tapering root, exhibited by many plant species (such as carrots and dandelions). [from early 17th c.]词族派生词（2）taprootedtaproot text