an otiose undertaking无用的承诺an otiose belief无用的信仰Objective To study the antitumor activity of otiose and coumarin in novobiocin.目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性.an otiose round of meetings一轮无用的会议...
He was waving his arms to draw their attention.他正挥手以引起他们的注意。The small British crowd roared themselves hoarse, waving their Union Jacks.一小群英国人挥舞着国旗，吼得嗓子都沙哑了。The windows overlooked a lawn of tall waving grass.窗户外边是一块草地，高高的...