Larry Crowder of Duke University told the meeting that leatherbacks are quickly disappearing.

杜克大学的拉里?克劳德在大会上指出,棱皮龟很快会绝迹.

The two McCarthys were seen after the time when William Crowder, the game-keeper, lost sight of them.

在猎场看守人威廉·克劳德目睹麦卡锡父子走过直至看不见了之后，还有别人见到他们。

One was an old woman, whose name is not mentioned, and the other was William Crowder, a game-keeper in the employ of Mr. Turner.

一个是个老妇人，报纸没有提到她的姓名，另一个是特纳先生雇用的猎场看守人威廉·克劳德。

Crowder says he is unsure why species evenness was lower in conventionalcrops. It could be from different types of fertilization or from insecticideskilling some natural enemies more than others.

可能是由于不同类型的施肥或者是由于杀虫剂杀死的天敌比昆虫更多。