They migrate thousands of kilometres to find stable sea ice during Antarctic summer to wait out what is called a "catastrophic moult" every year.
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（二）宣扬不良价值导向。编造话语体系，宣扬“躺平摆烂”“颓废厌世”“炫富拜金”等违背社会主义核心价值观的不良思想，鼓吹极端偏激情绪，调侃戏谑主流价值，制造贩卖焦虑。，详情可参考WPS下载最新地址
Source: Computational Materials Science, Volume 266，这一点在WPS下载最新地址中也有详细论述