“closed door”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	closed door
释义	哲学词汇手册 closed door 障碍；限制；绝路
随便看	elliptical aperture elliptical command elliptical cone elliptical construction elliptical curve cryptography elliptical curve cryptography (ECC) elliptical curve cryptography--elliptical curve cryptography (ECC) elliptical cylindrical cavity elliptical expression of syllogism elliptical fibre elliptical galaxy elliptical galaxy elliptical genitive elliptical homology elliptically polarized wave elliptically symmetric distribution elliptical mirror elliptical mirror condenser elliptical nebula elliptical normal distribution elliptical orbit elliptical polarization elliptical radio galaxy elliptical reflector elliptical space