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....
One of the outstanding prerequisites of any city is a local transportation system.本地运输系统是任何城市的突出前提条件之一.The advanced courses have prerequisites which you may not have had.高级的课程要求一些条件,你可能不具备吧?However, you will know the pre...
He could become ungraciously immodest about his own capacities.谈及自己的能力，他会自吹自擂大言不惭。The bookish historian now accepts it, reluctantly and ungraciously enough.钻书本的历史学者现在相当勉强和冷淡地承认了它." Well, I could, p'raps ,'said ...
God sends fortune to fools.傻人有傻福。Good fortune lies within Bad, Bad fortune lurks within good.福兮祸所倚, 祸兮福所伏.Each of us is capable of thwarting good fortune through negative self - talk.消极的 自我 否定使我们每个人都可能会错过好运气.You'll ...