英语解释：The mountains provided a dramatic backdrop for our picnic.
群山如画,给我们的野餐平添景色。
everything that can be seen around an event that is taking place, but which is not part of that event (事件发生时)周围陪衬景物:
英语解释：The mountains provided a dramatic backdrop for our picnic.
群山如画,给我们的野餐平添景色。
everything that can be seen around an event that is taking place, but which is not part of that event (事件发生时)周围陪衬景物:
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