He's nipping when I came in.我走进去时他正一小口一小口地抿酒呢。The postman ran away with the dog nipping at his heel.邮递员跑开了,狗在身后紧追着要咬他.Wayne is always nipping down to the corner shop for him.韦恩总是一溜烟跑到街角商店找他。a nipping wind刺骨的秋天Wayne ...
身材瘦削而且训练艰苦的女运动员行经可能不那么频繁，或者根本不来月经。Lean hard-training women athletes may men-struate less frequently or not at all.妇女的平均月经周期是28天。The average length of a woman's menstrual cycle is 28 days.她于13岁开始有正常的月经,周期为28～32天,有轻度的...
He has devised a process for making gold wires which neither corrode nor oxidise.他设计了一种能够避免腐蚀或氧化的金丝制作流程。He has devised a process for making gold wires which neither corrode nor oxidise...他设计了一种能够避免腐蚀或氧化的金丝制作流程。The carbon...