“边界”概念、定义、翻译-科学时代

单词	边界
释义	交通运输工程词汇手册边界 circumscription
随便看	round table conference round timber round trip round trip round trip round-trip gain round trip passenger traffic roundtripping round trip ticket round-trip ticket round-trip time round trip time round trip time round-trip transit time round turn round up round-up round up round voyage roundworm roundworm roundworm round（ing）off round（ing）-off error rourea

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。