两名男子在船桥甲板上扶着一架梯子不让它摇晃。Two men were on the bridge-deck, steadying a ladder.用带子把滑水板绑在船顶后，我们就在多佛登上了气垫船。Strapping the skis on the roof, we boarded the hovercraft in Dover.有时海豚在船的尾流中嬉戏。Dolphins sometimes play in the wake of t...
There are all sorts of animals, including bears, pigs, kangaroos, and penguins.有各种各样的动物，包括熊、猪、袋鼠和企鹅。Australia is the hometown of kangaroos.澳大利亚是袋鼠的故乡.Kangaroos are indigenous to Australia.袋鼠为澳大利亚本地的动物....
The machine can hammer out metal very thin.这台机器能把金属锤得很薄.After the major agreement, we had to hammer out the details.主要契约通过后我们必须苦思出细节.Can you hammer out the dent in the side of my car?你能敲平我车子侧边的凹痕 吗 ?...
They are not second - order approximations, but are exact for any amount of deformation.它们不是二次近似, 而是对任何变形量都成立的精确表达式.We do not have the true figures so we will have to make some approximations.我们没有真实的数字，因此只能作些粗略的估计。There ...