这本书信集感情真挚，语言坦率，还透着一种顽皮的滑稽。This collection of letters is affectionate, candid and wickedly funny.她像个顽皮的孩子似的，坐在椅子上来回摇晃。She rocks back and forth on her chair like a mischievous child.他眼中闪现出一丝顽皮的神情。A mischievous spark glinte...
Independent pitch and yaw of the two birds produce noise.两只吊舱的独立俯仰和偏航均会产生噪声.Pitch - yaw coupling can be neglected only for nearly axisymmetric vehicles.只有对接近于轴对称的飞行器,俯仰与偏航的耦合才能略去.The integrated guidance autopilot model o...
He was unprepared to co-operate, or indeed to communicate.他不愿意合作，甚至拒绝交流。You were quite within your rights to refuse to co-operate with him.你完全有权拒绝跟他合作。He agreed to co-operate with the police investigation.他同意配合警方的调查。...