...people travelling backwards and forwards to and from London.往返于伦敦的人He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。She fell forwards on to her face...她一头栽倒在地。Space scientists and astrono...
Draw the floss backwards and forwards between the teeth.将牙线在齿间来回拉动。He controlled the car until it was pointing forwards again.他稳住车子，直到它又朝前开去。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。...
Holidays can be horrendous. All right, I'll rephrase that. The first few days are invariably hell.假期可能会糟糕透顶。好吧，让我换一种说法。最初的几天总是如同炼狱。Let me rephrase what I just said.让我来把我刚才说的话换个方法表达一下.This word cannot express my idea...
The technology of undersea mining was then undeveloped.那时候深海采矿技术还不成熟.Technology is changing all that. It's literally parting the waves for today's undersea explorers.技术正在改变这一切, 它正在劈波斩浪为今日的水下探索者开路.For a similar ...