您要查找的是不是：
- This layer of rock contains a lot of flint. 這一岩層中有大量燧石。
- The inner layer of the wall of a spore. 孢子內壁孢子壁的內層
- There is a fine layer of dust on the desk. 桌子上有一層薄薄的塵土。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中間通常含肉較多的那一層
- The bottom layer is a mixture of sand and clay. 最下面的一層是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的東西都蓋了一層薄薄的灰塵。
- The retention of data in a storage device. 數據保存在存儲設備中的現象。
- A layer, as of doubled-over cloth or of paperboard. 一層一層，如摺疊過的布料或紙板的
- A surface, layer, or mass of frozen water. 冰面凍結的水的面、層或塊
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它組織的薄層
- The retention is withheld only for bonus situation. 滯留金只是為了發獎金。
- A substance that promotes retention of moisture. 濕潤劑一種用於保持濕度的物質
- A thin, flat layer or scale, as that of a fish. 外表組織薄而平的一層或鱗狀物，如魚鱗
- Visual material aids the retention of information. 直觀材料有助於加強記憶。
- He plead for the retention of the inn . 他請求保留這座小旅店。
- Configure retention policy to redundancy. 備份冗餘備份保存策略。基於備份數。
- The default retention age is seven days. 默認的保持期為七天。
- The retention period of the publication, in hours. 發布的保持期(以小時為單位)。
- The swelling is due to water retention. 腫脹是由於水滯留所致。
- Did you specify a reasonable retention age? 是否指定了合理的保持期?
