Ill air slays sooner than the sword.
污浊的空气杀人比刀还快。
Improve the air flow where the ill person stays.
设法改善病人居所的空气流通状况。
The boundary on the cold air side is often ill-defined, especially near the surface.
冷空气一侧的边界常常十分模糊，特别是在地表附近。
The boundary on the cold air side is often ill-defined, especially near the surface.
冷空气一侧的边界常常十分模糊，特别是在地表附近。
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