单词	C ration
释义	C ration noun : a canned field ration of the U.S. Army Word History First Known Use 1942, in the meaning defined above
随便看	optic chiasma optic cup optic disc optic discs optic disk optic disks optic lobe optic nerve optic orientation optic placode optic rod optic sign optic vesicle optical optical activity optical anomaly optical art optical bench optical bleach optical calcite optical computer optical constant optical contact optical correction optical disc

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。