科研之友
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摘要
<正>一只编号为“V021”的黑颈鹤于去年春天在云南会泽黑颈鹤国家级自然保护区附近获救，经过悉心的照顾，它最终回归了大自然。主题语境：生态保护篇幅：322词建议用时：6分钟One black-necked crane, codenamed (编号) V021, has had an unusual year. Rescued near a national nature reserve in Yunnan Province last spring, the young crane was injured and had been left behind when the rest of its flock migrated.
