Exercise has a major part to play in preventing and combating disease.体育锻炼在疾病防治方面发挥着重要作用。Scientists claim to have identified natural substances with cancer-combating properties.科学家们声称已经发现自然界的某些物质具有抗癌特性。He has put his hea...
With their help we tided over our difficulties.在他们的帮助下,我们克服了困难.The sea tided the debris ashore.潮水把碎片杂物冲上海滩.By trimming the sails , he tided over the crisis.他随机应变, 渡过危机....
1毫微秒等于一秒的十万万分之一.One nanosecond is equal to one - thousandth of one - millionth of one second.在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置.A ns pulse beam device is installed at pulse beam current piping.毫微秒十亿分之一秒 ( 10 - 9 )One billionth ( 10...