“main crop”概念、定义、翻译-科学时代

单词	main crop
释义	农业词汇手册 main crop 主栽种物
随便看	knobbled iron knobbling fire knobbling fire knobbling roll knob-cone pine knob insulator knobkerry knobs knobstick knob wiring knob wiring knobwood knock knock knockability knockabout knockabout knockabout knock-and-announce rule knock burst knock down knock-down knock down knockdown knockdown chain

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。