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- The central part of the auditorium was hollowed out of a hill or slope, while the outer radian seats required structural support and solid retaining walls. 在观众区的中央有别一旁的山丘或斜坡,是中空凹陷的区域，而靠近外部呈弧度状的座位区需要建筑上的支撑和坚固的墙来维持。
- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- Cheese is a solid; milk is a liquid. 乾酪是固体，奶是液体。
- Solid fuel motors are coming into use. 固体燃料马达即将开始使用。
- The country was solid for peace. 全国上下都希望和平。
- Water becomes solid when it freezes. 水结冰时便变成固体。
- Her arrival had just been announced by the faithful retainer. 她的忠仆已刚宣布了她的到来。
- The miners were solid on this issue. 矿工们在这件事上是一条心的。
- Matter can exist as a solid, liquid, or gas. 物体存在的形态有固体，液体，气体。
- There was a solid vote in favour of the proposal. 提案获全体一致通过。
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- When water freezes, it becomes solid. 水结冰时变成固体。
- The students are learning solid geometry. 这些学生正在学习立体几何学。
- These glaciers are beds of solid ice. 这些冰河由一层层坚冰形成。
- He has managed to retain most of his fortune. 他设法保存了他的大部分财产。
- The workers were tunnelling through solid rock. 工人们正在坚石中挖掘一条通道。
- The castle is founded on solid rock. 那座城堡建筑在坚实的岩石上。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- Dicotyledonous plants retain a series of strands. 双子叶植物中保留着一系列的束。
- He buttressed up the argument with lots of solid facts. 他以大量确凿的事实支持这个论点。
