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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。
- He will take an oral examination. 他将接受口试。
- My oral English is pretty rusty. 我的英语口语全荒废了。
- 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。
- Tongue twisters are used in our oral practice. 我们在口语练习中用饶口令。
- The oral opening in an earthworm is small. 蚯蚓的口是很小的。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- The doctor prescribed an oral dose of medicine. 医生开了一剂口服药。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- The class is chopped up into small groups for oral drill. 为进行口语训练，班级分成为几个小组。
- The old man told us a story passed on by oral tradition. 老人给我们讲述了一个口头流传的故事。
- An oral thermometer; an oral vaccine. 口用体温计; 口服菌苗
- 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。
- 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。
- 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。
- She snatched at every chance to practice her oral English. 她把握一切机会练习英语口语。
- An oral agreement is not enough; we must have a written promise. 只有口头协议是不够的; 我们必须有一个书面承诺。
- 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。
