美语听力练习素材:加州野火导致多人丧生

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unaccounted for下落不明的
5,000 American servicemen who fought in Korea are still unaccounted for.
5000名曾在朝鲜打仗的美国军人仍下落不明。

2.South Korea airlifted 200 tons of tangerines to North Korea.

tangerine橘子

Is the tangerine sweet?
这橘子甜吗？