单词	horsetail
释义	horsetail /ˈhɔːsteɪl / noun A plant with a hollow jointed stem which bears whorls of narrow leaves, producing spores in cones at the tips of the shoots. Genus Equisetum, the only surviving genus of the family Equisetaceae and class Sphenopsida, division Pteridophyta. See also calamites. During the Carboniferous the climate was hot and humid, and there were extensive swampy forests dominated by giant tree ferns and conifers, club mosses, and horsetails.... Seed-producing plants are probably the most familiar plants to most people, unlike mosses, liverworts, horsetails, and most other seedless plants which are overlooked because of their size or inconspicuous appearance. By the end of the Devonian, ferns, horsetails and seed plants had also appeared, producing the first trees and the first forests.
随便看	antiglobalisation antiglobalization Antigone antigorite anti-government antigravity Antigua Antigua and Barbuda Antigua Guatemala Antiguan anti-hero anti-heroine antihistamine antihypertensive anti-infective anti-inflammatory anti-inflation anti-inflationary anti-inflationist anti-intellectual anti-knock Antikythera mechanism Anti-Lebanon Mountains anti-life Antilles

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。