A chicken is a suitable specimen for the study of the general external features of a bird. 雞是研究禽類(lèi)外部特征的合適范例。
And Australia's leading animal research facility is helping global efforts to control the deadly bird flu. 澳洲開(kāi)展的野生動(dòng)物調查工作有助于進(jìn)一步控制禽類(lèi)致死病的擴散。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
