他正在环礁湖里与一只短吻鳄搏斗。He was grappling with an alligator in a lagoon.鲸会迁移6,000海里左右，到温暖的环礁湖生殖繁衍。The whales migrate some 6,000 miles to breed and calve in the warm lagoons.一环小岛围绕着礁湖.A girdle of islands enclosed the lagoon....
有可能, 如果某种化学合成物能研究成功的话.Maybe, if studies on a chemical compound pan out.这类合成物是亚硝基羟胺衍生物.These compounds are nitrosohydroxylamine derivatives.这些塑料都是有机合成物,因此易为热所熔化.These plastics are organic compounds and so we subject to de...