常見例句Tests of cows on two other farms in Souri showed no presence of the highly infectious virus . 在薩里郡兩個(gè)農(nóng)場(chǎng)里,對(duì)牛群進(jìn)行了測(cè)試,發(fā)現(xiàn)沒有存在這種感染性高得病毒。 返回 Souri