大多数蝙蝠靠回声定位来飞行。Most bats navigate by echolocation.她在山顶上大声喊着,然后聆听着回声.She shouted on the mountaintop and listened for the echo.蝙蝠用一种回声测定法来判断距离.The bat judges distances by a kind of echo - location....
He did it under the name of Nimrod.他以尼姆罗德之名做了那件事.They registered at the hotel under the name of macdonald.他们以麦克唐纳(麦当劳)的名义在旅馆登记的.Please book it under the name of Mr. Brown.请以布朗先生的名义预定吧....
The snow was light and noiseless as it floated down.雪花轻盈飘落，无声无息。The smells of delicious foods floated all around him.美食的香味弥漫在他的四周。A page came loose and floated onto the tiles.有一页纸脱落下来，飘落到地砖上。...