常見(jiàn)例句Investigators have now identified a genetic mutation that can keep corn and sorghum from growing tall, which could improve food yields globally.如今，研究人員又發(fā)現(xiàn)了不讓玉米及高粱長(zhǎng)高的突變基因，而可能增加全球的食物産量。 返回 guinea corn