单词	synsacrum
释义	synsacrum noun syn·​sacrum "+ : a solidly fused series of vertebrae in the pelvic region in birds, dinosaurs, and pterosaurs comprising usually the last rib-bearing or thoracic vertebra, the two sacral vertebrae, and a varying number of caudal vertebrae compare sacrum Word History Etymology New Latin, from syn- + sacrum
随便看	U-turn U-turns U-valley U-value u.s. U.S. Army black U.S. Army brick red U.S. Army brown U.S. Army buff U.S. Army cobalt blue U.S. Army color U.S. Army crimson U.S. Army dark blue U.S. Army golden orange U.S. Army golden yellow U.S. Army green U.S. Army light blue U.S. Army maroon U.S. Army mosstone U.S. Army old gold U.S. Army orange U.S. Army pansy U.S. Army scarlet U.S. Army silver gray U.S. Army sky blue

英语词典包含469781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。