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- On a singular surface of order 1 the deformation gradient and the velocity of the medium may suffer finite discontinuity. 在1级的奇面上，媒质的形变梯度和速度可以经受不连续性。
- classification of singular surfaces 奇异曲面的分类
- What is the ending in the singular? 这个词的单数词尾是怎样的?
- I had a singular experience in Africa. 我在非洲时有过一次奇特的经历。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- In English, nouns can be singular or plural. 英语中，名词有单复数之分。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- The singular of "mice" is "mouse". "mice"的单数形是"mouse"。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- "One boy" is singular; "two boys" is plural. "一个男孩"是单数; "两个男孩"是复数。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- The noun "mouse" is singular; it is the singular form of "mice". 名词“mouse”是单数，它是“mice”的单数形式。
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- The plural of a noun is usually made by adding -s to the singular. 名词复数通常以单数加-s构成。
