您要查找的是不是：
- Cinnamilidene anilines(CAs) as the second-order NLO materials were studied, at both the molecular and the crystal level. 第三章：从微观和宏观两个方面研究肉桂醛缩苯胺系列二阶NLO材料的优化设计。
- I'd like a room on the upper level. 我想要楼上的房间。
- This set of crystal wine cups is very expensive. 这套水晶玻璃酒杯非常昂贵。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I lost my crystal necklace at the party. 我在晚会上丢失了水晶项链。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She made her meaning crystal clear. 她把她的意思解释得清清楚楚。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- A football field should be level. 足球场地应该平坦。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- He drank from a crystal wine glass. 他用水晶酒杯喝酒。
- The house stood by a crystal stream. 那所房子坐落在清澈的小溪旁边。
- I have told the whole story on the level. 我已经诚实地把整个事情经过讲出来了。
- Find level ground for the picnic table. 找一处平坦的地面放野餐的餐桌。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- He has a level head in emergencies. 他在危急关头能镇定自若。
- He wants to make it crystal clear that he do not agree with us. 他想表明清楚他不同意我们的意见。
- If the table top isn't level, things will roll off. 如果桌面不平，东西就会滚下来。
- Thanks for the explanation; it's all now clear as crystal. 谢谢你的解释，现在完全清楚了。
