单词	tonus
释义	to·nus (tōnəs) n. pl. to·nus·es Body or muscular tone; tonicity. [Latin, tone; see TONE.]
随便看	Ulysses Simpson um umami Umatilla Umayyad umbel umbellate umbellifer umbelliferous umber Umberto Umberto umbilical umbilical cord umbilical hernia umbilically umbilicate umbilicated umbilication umbilicus umbo umbonal umbonate umbra umbrage

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。