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- It is abundant with European river fish species which are not found in other part of China, such as pike(Esox lucius), tench (Tinca tinca), perch (Perca fluviatilis) and taimen (Hucho taimen) etc. 该河具有我国其它地区所没有的欧洲水系鱼类，如丁鱥、白斑狗鱼、河鲈、哲罗鱼等。
- perch ( Perca fluviatilis ) 河鲈
- Keywords Perca fluviatilis Linnaeus;the growth model ecological parameter; 河鲈;生长模型;生态学参数;
- Perca fluviatilis 河鲈
- He has a new perch as president of the university. 他新任大学校长的高职。
- The stone buildings perch on a hill crest. 那些石头房子座落在山顶上。
- The bird took its perch on a tree branch. 鸟儿栖息在树枝上。
- Little birds perch themselves on the branches. 小鸟儿栖歇在树枝上。
- He watched the game from his perch on top of the wall. 他在墙头居高临下看比赛。
- Any of various spiny-finned freshwater fishes of the genus Perca,especially either of two edible species,P. flavescens,of North America,and P. fluviatilis,of Europe. 河鲈，任何一种有刺状鳍的鲈属淡水鱼，尤指两种可食用类，北美洲的金鲈和欧洲的河鲈。
- We watched the parade from our perch on top of the roof. 我们待在高高的屋顶上观看游行。
- The birds are hopping about on their perch and twittering. 鸟儿在栖木上跳来跳去，吱吱地叫著。
- Any of various spiny-finned freshwater fishes of the genus Perca, especially either of two edible species, P. flavescens, of North America, and P. fluviatilis, of Europe. 河鲈任何一种有刺状鳍的鲈属淡水鱼，尤指两种可食用类，北美洲的金鲈和欧洲的河鲈
- From our perch up there on top of the cliff we can see the whole town. 我们从悬崖顶上的高处能看到城市的全景。
- Probably fromMedieval Latin perca. 可能源自中世纪拉丁语perca。
- Scirpus fluviatilis(Torr.)A.Gray. 荆三棱
- The boy sat on the perch and sang lustily. 那个男孩坐在高处起劲地唱。
- To lay(cloth) on a perch in order to examine it. 放在框架上为检验质量把布放在验布架上
- Tall buildings perch on the top of rocky cliffs. 高耸的建筑屹立在嶙峋的悬崖顶上。
- Yes, we have lake perch, trout, and lobster. 有。我们有湖里的鲈鱼，鳟鱼，还有龙虾。
