A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
// 步骤2：倒序遍历（从最后一个人往前推，符合"找右侧元素"的直觉）
。旺商聊官方下载是该领域的重要参考
[단독]폴란드, 韓 해군 최초 잠수함 ‘장보고함’ 무상 양도 안받기로
作为中国西式快餐领域中的领先品牌，麦当劳和肯德基的市场策略，也就是当下市场风向的指引。