It's our duty to preserve the planet for future()
What do campaigners who lobby to preserve languages do to save endangered languages?
In which two ways does the BGP graceful capability preserve prefix information during a restart?()
Conservation groups all around the world are working to preserve, enlarge and connect the world’s rainforests.____
Many paper producers will preserve lignin during manufacture, because leaving the lignin will make more paper from a tree.
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It's our duty to preserve the planet for future()
Conservation groups all around the world are working to preserve, enlarge and connect the world’s rainforests.
____
What do campaigners who lobby to preserve languages do to save endangered languages?
看到古代的生活完整地保存下来,我们是多么高兴啊!(preserve)
使用Pencil工具时properties面板上的preserve transparency选项的作用()