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- Guards patrolled the perimeter of the airfield. 卫兵沿机场四周巡逻。
- He accused his teacher of unfair marking. 他指责教师打分不公平。
- The perimeter of the airfield is protected by guard-dogs. 机场外的环形防卫圈由警犬保卫着。
- The barbed wire fence round the perimeter discouraged intruders. 周围有铁丝网阻止了外人闯入。
- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹，但没有成功。
- She spent the evening marking examination papers. 她一晚上都在批试卷。
- Guards had been posted at several points around the perimeter. 在环形防线上已布置了几处岗哨。
- A sinuous path, line, or marking. 弯弯曲曲的道路、线条或记号
- Marking the exam papers was quite a slog. 评阅试卷是很辛苦的工作。
- Her school work isn't quite up to the mark. 她的功课不大符合要求。
- perimeter marking 周边标志
- That was just a lot of hot air what Mark said. 马克所说的不过是一大堆空话。
- War has left its mark on the country. 战争给该国留下了不可磨灭的痕迹。
- The public scandal left a black mark on his career. 这一尽人皆知的丑闻给他的事业留下了污点。
- How much do you know about the works of Mark Twin. 马克。吐温写的作品你知道多少？
- Happy anniversary, Helen and Mark! 海伦、马克，祝你们结婚周年快乐！
- A fence marked the perimeter of the field. 一道篱笆标明了那块田地的周界。
- Mark and Barbara are going together now. 马克与巴巴拉现在正在谈恋爱。
- Mark has lost his job and is worse off than ever. 马克的工作丢了，情况比以前更糟。
- The plane stalled, flipped over onto its back and crashed near the perimeter. 飞机失速了，翻了一个跟头，坠毁在机场环形围栏附近。
