“extravehicular activity”的概念、定义、翻译、参考文献-科学参考

单词	extravehicular activity
释义	extravehicular activity [¦ek·strǝ·vǝ`hik·yǝ·lǝr ak`tiv·ǝd·ē] ^{AEROSPACE ENGINEERING} Activity conducted outside a spacecraft during space flight.
随便看	catchlights catchment area catchment glacier catch pit catchwater cat cracker catechol catecholamine categorical data categorization category catena catenane catenary catenary suspension catenate catenation catenulate Catenulida caterer problem caterpillar caterpillar chain caterpillar gate catfish catforming

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。