“half staff”概念、定义、翻译-科学时代

单词	half staff
释义	军事词汇手册 half staff 升半旗，下半旗
随便看	penetration depth penetration depth penetration depth penetration enhancer penetration factor penetration force penetration frequency penetration gland penetration index penetration macadam with coated chips penetration method penetration of bitumen penetration of current penetration of current penetration of slag penetration pricing penetration pricing penetration pricing penetration pricing penetration pricing penetration probability penetration radiation penetration rate penetration rate penetration resistance

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。