sea otters have very little fat.in order to adapt to the cold water temperature during the winter period,they have very dense furred skin,which acts as great insulator.4546

sea otters have very little fat.in order to adapt to the cold water temperature during the winter period,they have very dense furred skin,which acts as great insulator.4546 有关on which的深度解析Fewer otters would have allowed sea urchin populations on which the otters preyed to expand and the urchins' grazing pressure on kelp forests to increase.这句话,求大神深度解析其中on which用法,不要单翻译 by consuming large numbers of sea urchins,sea otters act as a keystone species structuring the kelp forest community.4559 by consuming large numbers of sea urchins,sea otters act as a keystone species structuring the kelp forest community.4559 at that time sea otters' population fell to the point that they became extinct in many areas.4546 this balance has been restored by the cessation of the hunting of sea otters,allowing them to control the abundance of the urchins again.4547 这里的acting for In 1911,the United States,Great Britain (acting for Canada),Japan and Russia signed the Treaty for the Preservation and Protection of Fur Seals and Sea Otters.我就是不懂括号里的是什么意思, Please wait a s___,I have something important to deal with now.If the sea or the weather at sea iPlease wait a s___,I have something important to deal with now.If the sea or the weather at sea is r___,the weather is windy or stormy and there are very 英语翻译What do you know about the sea?Some people have seen it,but others haven't.The sea looks beautiful on a fine sunny day and it can be very rough when there is a strong wind.What other things do we know about it?Of course,the sea is very la what do you know about the sea?some people have seen it ,but others haven't .the sea looks beautiful on a fine sunny day and it can be very rough when there is a strong wind.what other things do we know about it of course ,the sea is very large.in th have a swim in the sea have a swim in the sea sea Sea Sea sea 英语翻译帮忙翻译下My dream home is not very large.It's a wooden house.it is near the sea.I'd like to have 5 rooms in my home.I have a kitchen ,a bathroom,a sitting room,a studyand my own bedroom.I like living near the sea because it is very What do you know about the sea?You may have seen it.Some of us have swum or bathed in it.It looks beautiful on a fine sunny day and it can be very rough when there is a strong wind.What other things do we know about it?Of course,the sea is very large