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- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- The airliner flew at an altitude of 20000ft. 客机在两万英尺的高度飞行。
- 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。
- At this altitude you often get strong winds. 在这一纬度地区，经常有大风。
- The plane flew at an altitude of30000 feet. 飞机在三万英尺的高空飞行。
- Her school work isn't quite up to the mark. 她的功课不大符合要求。
- 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！
- Mark and Barbara are going together now. 马克与巴巴拉现在正在谈恋爱。
- Some people develop altitude sickness when climbing high mountains. 有些人在爬高山时会发生高山反应。
- 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 pilot blacked out for a moment upon reaching such a high altitude. 飞机上升到这样高度时，飞行员昏厥了片刻时间。
- He rubbed out the mark on his book. 他把他书上的记号擦掉了。
- The plane was then flying at an altitude of 8000 feet. 当时飞机在八千英尺的高度飞行。
- Has she ever written a letter to Mark? 她曾经写信给马克吗？
- Everyone knows Tom as an easy mark. 大家都知道汤姆是个容易上当受骗的人。
- Do you feel up to the mark this morning? 今天早上你觉得怎么样。
