秋天的氛围越来越浓，叶子泛黄干枯，气温也有了逐渐下降的趋势。为什么秋天一到叶子就会纷纷掉落呢？ 落叶是植物自保的手段。叶柄与茎秆的连接处，有一层叫「离层」的物质，叶子脱落的时候，离层就会变成「绝缘体」断绝养分流通和各种信息交流，之后在重力或风力作用下叶片脱落。

Paula Xiao(互关必回100%) @PaulaXiao5 ·
秋天的氛围越来越浓，叶子泛黄干枯，气温也有了逐渐下降的趋势。为什么秋天一到叶子就会纷纷掉落呢？ 落叶是植物自保的手段。叶柄与茎秆的连接处，有一层叫「离层」的物质，叶子脱落的时候，离层就会变成「绝缘体…

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  1. #1

    The world of animals is also wonderful.

    Paula Xiao(互关必回100%) @PaulaXiao5 ·
    The world of animals is also wonderful.The world of animals is also wonderful.The world of animals is also wonderful.The world of animals is also wonderful.
  2. #2

    Day 8: Hai Rui & Haigong Stele — Integrity Legacy Final Day! Hai Rui & Haigong Stele — ancient integrity meets red spirit! This honest Jiangxi official dedicated his life…

    Paula Xiao(互关必回100%) @PaulaXiao5 ·
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  3. #3

    Day 7: Red Water Conservancy Spirit — The "Six Ones" People-first, grit, unity, integrity, innovation, dedication. It’s the fire behind every site/hero we’ve shared — timeless &am…

    Paula Xiao(互关必回100%) @PaulaXiao5 ·
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  4. #4

    Day 6: Yudu First Ferry — Water Witness to the Long March Yudu First Ferry — where the Long March launched! 1934, Red Army crossed the Ganjiang here — locals volunteered to ferry…

    Paula Xiao(互关必回100%) @PaulaXiao5 ·
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  5. #5

    开放中国，大国外交。

    Paula Xiao(互关必回100%) @PaulaXiao5 ·
    开放中国，大国外交。
  6. #6

    2026年上半年，中国大国外交进入“北京时间”，联合国安理会四常领导人半年内相继访华，多国政要“向东看”“北京见”成为普遍共识，全球外交的引力中心正加速向中国偏移。

    Paula Xiao(互关必回100%) @PaulaXiao5 ·
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