单词	subsoil
释义	sub·soil (sŭbsoil′) n. The layer or bed of earth beneath the topsoil. tr.v. sub·soiled, sub·soil·ing, sub·soils To plow or turn up the subsoil of. subsoil′er n.
随便看	tracheitis tracheo- tracheobronchial tracheoesophageal tracheolar tracheole tracheophyte tracheoscopic tracheoscopy tracheostomy tracheotomy trachoma trachomatous trachyte trachytic tracing track trackable trackage track and field track-and-field trackball track down tracker track event

英语词典包含135693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。