常見例句雙語例句Bighead and silver carp — both native to Asia — have been migrating toward the lakes since escaping from Deep South fish ponds and sewage treatment plants in the 1970s.原產(chǎn)于亞洲的大頭鯉魚和銀鯉魚，20世紀70年代從南方魚塘和污水處理廠逃逸以來，已經(jīng)向五大湖擴散。Asian carp—including thecommon, black and bighead variety—were brought to the U.S. in the 1970sas live vacuum cleaners meant to remove algae and suspended matter fromponds.上世紀七十年代，作為清除池塘中藻類和漂浮物質(zhì)的活真空清潔器，亞洲鯉魚——包括普通、黑色和大頭品種——被引入美國。Environmentalists fear that if the silver or bighead species of giant Asian carp reach the lakes they could starve out native fish species and devastate a $7 billion-a-year fishing industry.環(huán)保人士擔心，如果鰱魚和鳙魚這兩種體型巨大的亞洲鯉魚侵入五大湖區(qū)域，它們會大量搶奪本土魚類的食物，致使這個年產(chǎn)值近70億美元的捕魚產(chǎn)業(yè)岌岌可危。原聲例句The first involves two kinds of Asian carp, bighead and silver.In June,a bighead Asian Carp was found above the electrical barrier about ten kilometers from Lake Michigan.There are two types of Asian Carp in the Illinois River - bighead and silver.權(quán)威例句Briney then chucks the Asian bighead carp onto a slimy heap of others writhing on the bottom of the boat.FORBES: Lucky Catch 返回 bighead