| 单词 | background |
| 释义 | background n. 1. part of a scene, picture, or description, that serves as a setting to the chief figures or objects and foreground. 2. an inconspicuous or obscure position (kept in the background). 3. a person's education, knowledge, or social circumstances. 4. explanatory or contributory information or circumstances. 5. Physics low-intensity ambient radiation from radioisotopes present in the natural environment. 6. Electronics unwanted signals, such as noise in the reception or recording of sound. Phrases and idioms background music music intended as an unobtrusive accompaniment to some activity, or to provide atmosphere in a film etc. |
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