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[医] 火棉, 低氮硝化纤维素
🗣️ 情景例句
this community can do anything to benefit its citizens,
这个社区可做任何造福居民的事情，
What a gossip!
搬弄是非！
In this much-travelled world, there are still thousands of places which are inaccessible to tourists.
在这个旅游频繁的世界上，仍有成千上万个游人足迹未至的地方。