“适时交配”概念、定义、翻译-科学时代

单词	适时交配
释义	畜牧与兽医词汇手册 mating at optimum time 适时交配
随便看	flannel flannel disk flap flap flap flap flap flap flap flap flap flap flap-door flap door flapjack flapjack flap mushroom flap nozzle flapped cupping flapper flapper flapping hinge flapping wing flap planting flaps

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。

mating at optimum time