词汇	lakes ecosystem
释义	lakes ecosystem 湖泊生态系统
随便看	the summer vacation the summer vacation/holidays The summer vacation is approaching The summer went that way the summer/winter solstice the summit declaration The summit finished in a dead end The summit meeting is to be held on May The summit meeting is to be held on May 3 the summit of the summit of a hill the summit of his career the summit of mount tai The summit under hazardous conditions The summonswas served by a bailiff The summons was served by a bailiff the sum total The sum was paid back to the bank with interest The sum will aggregate a thousand dollars the sun The Sun Above the Clouds The Sun Also Rises the sunanaary about the research The Sun and Solar Eclipse The Sun and Space Weather