def __init__(self, db_path: str):
Expert shares how to view rare planetary parade
，更多细节参见safew官方下载
But in 2022 summer sea ice in much of Antarctica dramatically shrank, falling from an average of 2.8m sq km to a record low of 1.79m sq km in 2023.
// 核心循环：弹出所有≤当前身高的元素 → 这些人都能被当前位置看到（矮个子，无遮挡）