The penguins'burrows are commonly found under the boardwalks.在木板走道下可以发现许多企鹅的洞穴.A mole burrows its way through the ground.鼹鼠会在地下钻洞前进.Some solitary bees make their nests in burrows in the soil.一些独居蜂会把巢筑在田间的地洞里。The int...
For years he was a boffo box office certainty.多年来,他一直是票房收入的保证.There is too little certainty about the present state of the German economy.德国当前的经济非常不稳定。It is impossible to say with certainty what Ichthyostega was doing as...
虽然这是一场艰苦的斗争，但我相信我们会取得胜利。It's an uphill battle but I think we're going to win.不管结果如何，这都会是场艰苦的战斗。Whatever the outcome, it's going to be one hell of a fight.他发现这次旅行非常艰苦。He found the rigours of the tour too de...