At the first sign of trouble, schooling fish swim as close together as they can get.
一旦发现危险的迹象，鱼群就会尽可能地游近彼此。
Next time you are watching your pet fish from outside the tank, perhaps you should feel close to them—they may remember who you are.
下次当你在鱼缸外观察你的宠物鱼时，也许你应该感到它们跟你很亲近——因为它们可能会记得你是谁。
A close relativeof coral and jellyfish, anemones are stinging polyps that spend most oftheir time waiting for fish to pass close enough to get ensnared intheir venom-filled tentacles.
它一生大部分时间都在等待经过的鱼类靠近，再用它充满毒汁的触须捕捉。
'Right now on Earth, water tables are falling, soil is eroding, glaciers are melting, and fish stocks are vanishing. Close to a billion people go hungry each day.'
在我们今天的地球上，地下水位不断下降，土壤受到侵蚀，冰川正在融化，鱼群种类不断减少，还有近10亿人口每天都在挨饿。
Six expedition vessels carry passengers up close to waterfalls and the onboard helicopter can take passengers to remote billabongs to fish or snorkel.
六个探险船可载着乘客接近瀑布景点，邮轮携带的直升机也可带着乘客到偏远的池沼捕鱼或潜水。
Like their close relatives the sharks, the 200-odd species of stingrays are boneless fish that boast skeletons made of tough tissue called cartilage.
刺鳐是鲨鱼的近亲，种类有200多种，善于无骨鱼类，其骨架是由软骨构成的。
It's usually an underwater cave, protected by rocks that she's put at the entrance to keep hungry crabs, sea stars and fish from getting too close.
通常它是一个水下洞穴，被那些她放在入口处来阻挡饥饿螃蟹进入的石块保护着。
"But when you close your shell, you may not know what is happening." answered the fish.
“可是，当你合上壳时，你怎么知道外面发生了什么事呢？”鱼不解地问。
Even the Fujitsu guy ducked once when the virtual fish swam too close to his head.
当虚拟鱼游得太靠近头部的时候，连那位富士通的仁兄也会吓得蹲下躲避。
Snorkelling and scuba diving were once the only way to see wild reefs and tropical fish up close, and then came a handful of sea-adjacent aquariums.
曾几何时，想要近距离观赏礁石与热带鱼的唯一途径就是潜水。后来多了些海边的水族馆。
The principles and experiments of close range photogrammetry by using a general camera with a fish eye lens are presented.
本文主要介绍在普通照相机上附加一个鱼眼镜头进行近景摄影测量的有关理论和试验。
Where the community is close to fishing, rivers or lakes or perhaps the seashore, a steady diet of fish can be expected in some manner.
预期靠近河，湖，或者海岸的社区也许会有某种形式的稳定的鱼类饮食。
After what seemed like an endless succession of courses, I had thought that the meal must be drawing to a close, when a waiter appeared bearing a fish head the size of a dustbin lid.
在上了无数道菜之后，我以为这顿饭已接近尾声；这时，一个服务员端着一盘鱼头出现了，那鱼头足有垃圾桶盖子大小。
To me, fishing is as much about getting close to nature, and understanding the world beneath the water, as it is about catching fish.
对我来说，钓鱼不仅是为了抓鱼，也是为了接近自然，了解水下的世界。
Our results demonstrated that (1) the distribution of TTX-producing strains and the bacterial production of TTX is close related with the toxicity of each tissue in puffer fish;
结果表明：（1）河豚鱼的卵巢、肝脏、肠道中存在可产生TTX的细菌与放线菌，河豚鱼不同组织毒性的差异与其中产TTX菌株的产毒能力有关；
Our results demonstrated that (1) the distribution of TTX-producing strains and the bacterial production of TTX is close related with the toxicity of each tissue in puffer fish;
结果表明：（1）河豚鱼的卵巢、肝脏、肠道中存在可产生TTX的细菌与放线菌，河豚鱼不同组织毒性的差异与其中产TTX菌株的产毒能力有关；
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