The germ plasm resource and breeding of grass is one of indispensability class of manual work pasture production subject and core course of grass studying specialty.是什么意思_The germ plasm resource and breeding of grass is one of indispensability class of manual work pasture production subject and core course of grass studying specialty.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句