“day without frost”概念、定义、翻译-科学时代

单词	day without frost
释义	农业词汇手册 day without frost 无霜日
随便看	starting fuel control starting fuel supply starting impulse starting level starting lever starting load starting load starting-load cost starting material starting material starting moment starting moment starting overload ratio starting page starting phase starting point starting point starting position starting power starting pre-chamber starting preheater starting preheater boiler starting pulse starting rank starting rate

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。