基本解释[地球科学]布格河英汉例句双语例句Because it needs clean water to survive, the new bug is a crucial "index species" that could be used to gauge a river's health, NIBR's Min-Ha said.因为它必须在干净的水源地生活，因此它可以被看作是检验水质标准的生物。bug river更多例句词组短语短语Bug g River 布格河the Bug River 布格河bug river更多词组专业释义地球科学布格河