切萨皮克湾找到了新的抗污战士，那就是养殖的牡蛎。
The Chesapeake Bay could get helped by a new antipollution expert: farmed oysters.
墨西哥湾沿岸的巨大牡蛎给彬彬有礼的就餐者带来了一个难题。
The huge Gulf-coast oyster presents a challenge to the polite diner.
因为牡蛎受到石油污染而面临病从口入威胁的生物并不止环颈鸻一种，美国人所消费的大部分牡蛎都来自于墨西哥湾沿岸的海床上。
Plovers aren't the only oyster-eaters that might be at risk from oil-tainted food: Many of the oysters for human consumption in the United States come from beds along the Gulf Coast.
美国83%的食用海产品要靠进口，而大部分牡蛎不用进口，美国人消费的牡蛎三分之二来自墨西哥湾。
While 83% of seafood eaten in America is imported, most oysters are not, and more than two-thirds of the oysters consumed there come from the gulf.
这样的养殖场还不能让切萨皮克湾完全回到以前的原生态，但是科学家表示，牡蛎在净化所生长区域海水上还是绝对有效的。
Such farming won't make the bay pristine again, but the researchers say the oysters are effective at cleaning the area where they're grown.
全球产牡蛎量算高的有5个地区，它们都坐落在北美——一直从弗吉尼亚海岸向南那块，当然墨西哥湾也算在内。
Five regions where oyster catches were globally the highest were located in eastern North America, from the Virginia coast southward and also in the Gulf of Mexico.
8个上规模的牡蛎养殖场就可以从切萨皮克湾海水中净化出1吨氮素。
Eight large-scale oyster farms could clean a ton of nitrogen from the Chesapeake.
切萨皮克湾找到了新的抗污战士，那就是养殖的牡蛎。
The Chesapeake Bay could get helped by a new anti pollution expert: farmed oysters.
在深圳湾牡蛎养殖场，以瓦勃氏呼吸仪对牡蛎离体鳃组织进行了耗氧量的测定。
Warburg type manometer was used to measure the oxygen consumption of the gill tissue separated from the bodies of oysters taken from the Oyster Farm in Shenzhen Bay.
切萨皮克湾曾是野生牡蛎的聚居地，但如今99%的牡蛎已经另觅居所。
The Chesapeake used to be home to wild oysters, but 99 percent of them are gone.
大西洋东北岸的牡蛎还是墨西哥湾的牡蛎？
把贝壳放进装有数亿牡蛎苗的大量箱体中，这样，就可以提高小牡蛎产量，等到它们长到够大再把它们转移到切萨皮克湾。
The shells are placed in tanks with hundreds of millions of oyster larvae. This way, the baby oysters can be raised until they have grown big enough to be moved to the Chesapeake.
把贝壳放进装有数亿牡蛎苗的大量箱体中，这样，就可以提高小牡蛎产量，等到它们长到够大再把它们转移到切萨皮克湾。
The shells are placed in tanks with hundreds of millions of oyster larvae. This way, the baby oysters can be raised until they have grown big enough to be moved to the Chesapeake.
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