以上来源于: WordNet
Since then, some 430 outdated dams have been removed from U.S. rivers, opening up habitat for fish and other aquatic organisms and letting rivers flow like rivers again.
从那时起,约430座过时的水坝在美国河流上消失,此举打通了鱼群和其他水生物的返回栖息地的通道,并重新让河流川流不息起来。
In experiments, a blindfolded harbor seal can detect the passage of a fish by using its whiskers to sense changes in flow velocity - even 30 seconds after its prey has passed by.
在试验中,一只被蒙住眼睛的海豹用胡子感应水流速的变化,从而发现鱼游动的路径——即使那猎物是在30秒以前经过那里的。
Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins.
同样,飞鱼借助胸鳍所产生的加速气流,就可以对较小的腹鳍产生一定的提升作用。
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