单词	undercourse
释义	undercourse undercourse undercourse A course of shingles or tiles which serves as an undercloak, 1, 2.
随便看	concave joint concave lens concavely concave mirror concaveness concave polygon concave polyhedron concaves concave set concave shape concave shoe concave spherical lens concave spherical mirror concave up concave-up concave upward concave upwards concaving concavities concavity concavo-concave concavoconcave concavo-concave lens concavoconcave lens concavo-concavely

英语词典包含2567994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。