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- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- retaining ion technique 延缓离子技术
- retaining ion 延缓离子
- The mental faculty of retaining and recalling past experience. 记忆，记忆力储存与回忆以往经历的大脑之能力
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- We sailed from Perth with a cargo of raw ion. 我们装着一船生铁从佩思启航。
- He has managed to retain most of his fortune. 他设法保存了他的大部分财产。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- Both of these particles can produce ion pairs. 这两种粒子都能产生离子对。
- Dicotyledonous plants retain a series of strands. 双子叶植物中保留着一系列的束。
- Refit the handwheel retaining screw. 重新装置手轮固定螺丝。
- Reinstall handwheel and secure with retaining bolt. 重新安装手轮，用固定螺栓加固。
- What should I do? Retain the red door? 现在门已经刷上红色了，怎么办?
- Computers are now widespread ion China. 如今，计算机在中国被广泛应用。
- I cannot retain so much information. 我不能记住这么多的信息。
- The crystals were cleaned by argon ion bombardment. 结晶体由氩离子轰击而净化。
- You must retain your school reports. 你必须将学习成绩单保存好。
- The hydroxyl ion has a negative charge. 氢氧根离子有一个负电荷。
- The seas, wind, and te ion were really high. 大海上风吼浪涌，我们的情绪也高度紧张。
- China dishes retain heat longer than metal pans do. 瓷碟子保温的时间要比金属盘久。
