He swam down and retrieved his glasses from the muck and slime at the bottom of the pond.

他潜下水去，从池塘底部的烂泥污物中找回了眼镜。

Specifically, both mantis shrimps and DVD or CD players are able to convert light into different forms so it can be stored and then retrieved.

具体来说，无论是螳螂虾还是 DVD 或 CD 播放机都可以将光转换成不同的形式，从而将光信号存储起来，之后还能再调取出来。

Data is being sent or retrieved.

正在发送或获取数据时。

Hence, data may not always be retrieved.

因此，并不总是会检索到数据。

They often retrieved some data from a disk.

他们常常从存储磁盘中检索一些信息。