单词	ectosexine
释义	ectosexine [,ektә'seksi:n] 外表层
随便看	difficult of difficult of access difficult of accomplishment difficult of approach difficult point difficult points difficult position difficult problem difficult separation coal difficult situation difficult situations difficult temperament difficult thing difficult to difficult-to-access difficult-to-control difficult-to-cut alloy difficult-to-detect difficult-to-find difficult to form difficult to handle difficult to machine job difficult-to-machine material difficult to obtain material difficult-to-predict 败于垂成败井颓垣败俗伤化败俗伤风败兴而归败军之将败化伤风败国丧家败国亡家败将残兵业余业内业农业务业因业外业大业已业师业态