常見(jiàn)例句The Fish and Wildlife Service (USFWS) says the population has reached sustainable levels. 美國(guó)漁獵局稱(chēng),北落基山狼種群數(shù)已達(dá)到可自我維持繁衍的標(biāo)準(zhǔn)。The USFWS will monitor their populations for the next five years.It has set a minimum of 300 wolves and 30 breeding pairs, split equally among the three states. 美國(guó)漁獵局將在五年內(nèi)監(jiān)控各州灰狼的種群數(shù)并平均地為每個(gè)州設(shè)置了最低100只灰狼和10對(duì)可繁育灰狼的底限。This was verified by USFWS. 此問(wèn)題已交由相關(guān)單位審核并處理。"Rabbits, Guinea pigs, hamsters, ferrets, and other pet rodents.There are no CDC or USFWS restrictions or requirements on these animals if brought in as pets." "兔子、荷蘭豬,倉(cāng)鼠,白貂,或其他嚙齒類(lèi)動(dòng)物是不受美國(guó)疾病控制中心和公共衛(wèi)生服務(wù)中心限制的。" 返回 USFWS