单词	aplacental
释义	a·pla·cen·tal (ā′plə-sĕntl) adj. Having no placenta, as marsupials and monotremes.
随便看	cheiro- Cheju Cheju Chekhov Chekhovian Chekiang Chekiang Chekov Chekov chela Chelan chelatable chelate chelation chelator chelicera chelicerate cheliform Chellean Chellian cheloid cheloid chelonian Chelsea Cheltenham

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。