词汇	群落生境
释义	群落生境医biotope
随便看	keep a close eye upon keep a close eye/watch on somebody/something keep a close watch keep a close watch on Keep a close watch on the enemy rs movements keep a close watch over keep a coil Keep a concubine or mistress keep a contract keep a cool head Keep a cool head when thing go wrong keep a copy keep a copy of keep a copy of… Keep a cord of wood in the shed keep a corner keepacountof something keep across keep active message keep a curb on keep a date keep a day vacant keep a large establishment keep a large stock of keep a level head