Proper infection dosage and routes were selected to make the chickens artificially infect avian colibacillosis successfully.选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病....
狂风大作，海面上波浪起伏。A gale was blowing and the sea was choppy.第3波浪太大了，把我打了回去。The third wave was so strong it knocked me backwards.一阵微风吹下山坡，使青草如波浪起伏。A gust of breeze moved down the hillside, ruffling the grass....
乔安妮脸上的深色雀斑在苍白肤色的映衬下非常显眼。Joanne'sfreckles stood out darkly against her pale skin.她光滑的皮肤上有几处可爱的小雀斑.She had a wonderful clear skin with an attractive sprinkling of freckles.他脸上稍有一些雀斑.His face slightly marked with the f...
我每个月要付的本息是多少?What are my monthly principal and interest payments?银行持有抵押权,你必须归还贷款的本息.The bank would hold that mortgage and you would pay it off , with interest....