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- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- One who is skilled in topography. 地形学者精通地形学的人
- mask topography 掩模构形
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- A marked change in topography such as a fault or deep valley. 断层地形上的显著变化，如断层，深谷
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- This is a rare type of karst topography. 是非常罕见的喀斯特地貌景观。
- Her sociable manner is really a mask for a very shy nature. 她那好交际的作风，实际上是她腼腆天性的伪装。
- For a moment his mask of benevolence fell and the real man was revealed. 一刹那间，他慈善的假面扔掉，露出了他的真面目。
- Concerning the topography of a specific region. 某地的地质情况有关特殊地区地形学的
- A base, ungenerous wretch who under the mask of friendship has undone me. 有个卑鄙、吝啬的家伙打着友谊的幌子把我毁了。
- A mask, in the character of an old woman, joined them. 一个戴着假面具扮演老妇的人加入了他们的行列。
- He preserved his mask of solemnity even with acquaintances. 他甚至和熟人交往也保持着一本正经的面孔。
- A typical phenomenon of karst topography. 是典型的峰林现象。
- And its spectacular sandstone topography. 以丹霞地貌著称于世。
- He conceals his worries behind a mask of nonchalance. 他装作若无其事，藉以掩饰内心的不安。
- And this is typical marine- abrasion topography. 这里就是典型的海蚀地貌了。
