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Due to the weakness of breathing and coughing, the secretion in the airway is difficult to discharge, which is more likely to cause obstruction, causing bursts of rapid breathing, or the rattling sound in the airway-this is often a strong sign at the end of life, so it is called death guttural sound.嬴子夜就这样无力地瘫倒在尹旭怀中，美眸之中两行泪珠扯线般留下来，尹旭知道她伤心的原因。The latest work "The Secret Life of Plants" by French biology researcher and best-selling writer of natural science popularization, Fleur Dougai, introduces us to the secrets and scheming of various plants. Fleur Dougai popularized the strange way of plant reproduction and survival in the book, overturned our understanding of plants and gave us a biology lesson again.闹嚷嚷的好容易完了，各船均蓄势待发，早有人去西面岸边等着察看结果。刘邦正是看到了这个可乘之机，纠集了诸侯联军五十六万人，向西楚国开战，并且以很快的速度占据了鼻城。In addition, it is worth noting that in recent years, many K12 discipline education institutions have gradually extended their applications to the field of quality education based on the original discipline system.