Outfitted with schooners capable of ocean crossings, he amassed data showing that the farther from the European coast, the smaller the eels.
在具有横渡大洋能力的纵帆船的帮助下，他收集到证明离欧洲海岸越远，鳗鱼越小的数据。
2
Populations of American, European, and Japanese eels are all declining, some precipitously.
美国、欧洲和日本鳗鱼的种群都在直线减少。
3
Biologists have discovered freshwater eels from North American and European rivers and lakes gathering as far as the middle of the Atlantic ocean during late summer.