您要查找的是不是：
- The scientist was faced with many unknown factors. 那个科学家面临许多未知数。
- The geology of subsiding area is complicated with many unknown cases. 塌陷区现场条件复杂、未知因素多。
- It was like a single equation with two unknowns. 这挺像两个未知数组成了个简单方程。
- The thesis gives account of author's long?time research on Zheng's family and his offspring with many unknown data, and describes the contents and significance of the newly revised Zheng He's Genealogy. 本文讲述作者长期从事郑和家世和后裔调查情况的研究工作，发现许多鲜为人知的资料，还简述了即将新修的郑和家谱的内容、意义。
- Many unknown writers aspire to fame. 许多不知名的作家渴望成名。
- The country was beset with many problems. 这个国家被许多困难所困扰。
- China does a lot of trade with many countries. 中国和许多国家进行多方面贸易。
- There are simply too many variables and too many unknowns in the equation. 这个方程式只是有太多变量和太多未解。
- She met with many difficulties when travelling. 她在旅行时遇到了许多伤脑筋的事。
- Her face was lined with many cares. 由于烦心的事多，她脸上已有了皱纹。
- There are many unknowns in science. 科学上还有许多未知之处。
- Abstract: Oscillation and stability of solutions for differential equations with many piecewise constant arguments are presenfed. 中文摘要: 研究了具有多个分段常数的微分方程解的稳定性和振动性。
- He is a busy man with many calls on his time. 他很忙，有很多事需要花时间去做。
- There are so many unknowns in the proposal. 这项提案中的未知数太多了。
- His career met with many reverses. 他的事业遭到许多挫折。
- He is one of the many unknowns in the NBA. NBA里不乏默默无闻的小卒，而他就是其中一个。
- The desk was ornamented with many carvings. 这桌子装饰有很多雕刻物。
- The software runs compatibly with many machines. 这个软体与许多机器兼容运行。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The young nation is faced with many difficulties. 那个新建立的国家面临许多困难。
