您要查找的是不是：
- A dyke was built to retain the floods. 修了一道堤壩擋住洪水。
- He has managed to retain most of his fortune. 他設法保存了他的大部分財產。
- The dyke was built to retain the f1ood waters. 那條堤壩是為攔洪修建的。
- She tried to retain her self-control. 她力圖保持自我剋制。
- The farmers have built a dyke to retain the water. 農民們修建了一座蓄水大堤。
- He struggled to retain control of the situation. 他曾努力保持對局勢的控制。
- She is determined to retain her Wimbledon crown. 她決心衛冕她的溫布爾登網球賽的冠軍寶座。
- It is suffient to retain only the first two digits. 只需取頭兩位數字就夠了。
- I wish to retain it as a precious memory. 我願意把它保留在心頭，作為珍貴的記憶。
- He finds it difficult to retain information. 他發現很難記事。
- They are fighting to retain their independence. 他們在為維護他們的獨立而戰鬥。
- What can be done to retain such a consumer group? 如何留住這一階層的消費者，使他們仍然擁有獨特與尊貴的感受?
- To retain, but lamented the wind burst. 挽留，不過是一陣哀嘆的風。
- Concentrated study will help you to retain knowledge. 專心學習有助於你記住知識。
- To retain his pride as Sorceress'Knight, he is determined to win. 作為魔女的騎士要保持自已的尊嚴,他決心要取得勝利。
- In a document copying machine, the treatment of sensitized material after exposure so as to reveal and to retain the image. 在(文獻)資料複製機中，感光材料曝光以後的處置，以顯現和保留圖象。
- My girlfriend found a way to retain control over me. 我的女朋友找到一個控制我的方法。
- Berenice strove valiantly to retain a serene interest. 白麗萊茜鼓起勇氣保持一種冷靜的興趣。
- Her honesty helps to retain his prestige in the public. 她的正直使他在公眾中樹立了威信。
- They built a dam along the seashore to retain the seawater. 他們沿海岸築起一道堤壩以攔住海水。
