现在不是怯懦的时候。This is no time to be faint-hearted.现在不是怯懦的时候。This is no time to be fainthearted.怯懦的人总是把满腹牢骚向温和的人发泄.Timid people always wreak their peevishness on the gentle....
To stability analysis of tethered balloon, a three dimensional nonlinear mathematical model tethered aerostat was assembled.为研究系留气球稳定性,建立了系留气球的三维非线性动力学模型....
Last November the commission gave its stamp of approval to the deal.去年11月,委员会核准了这宗交易。It's FREEPOST, so there's no need for a stamp.这是免费邮寄,不用贴邮票。The stamp was a dull blue colour.邮票是晦暗的深蓝色。...