您要查找的是不是：
- To check if the mask is working OK, change the "BG" layer background to any other color but white. 为了检查一下蒙板是否正常，在背景层里更换除白色以外的任何颜色。
- He has a strong political background. 他有强大的政治背景。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- He has a working-class background. 他是工人阶级出身。
- Get the fall in the background, will you? 把瀑布拍进背景中去好吗？
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- A background accompaniment, as for a performer. 伴奏为一个演奏者配音伴奏
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- She came from a privileged background. 她出身於特权阶层。
- He came from an impoverished background. 他出身贫寒。
- This book gives the background of the Civil War. 这本书叙述了南北战争的背景。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- Other motives may have lurked in the background. 这后面可能隐藏着其它动机。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- Her own particular chip on the shoulder was her poor background. 她感到怨恨的特有原因是她的背景不好。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- He stayed in the background to escape from the public attention. 他呆在幕后为了避开公众的注意。
