In a brief emergency, a few shallow breaths won't hurt you. But if you don't take a deep breath for a long time, your lungs can partially collapse, a condition known as atelectasis.
She is a figure both of the epic tradition and of tragedy, where her combination of deep understanding and powerlessness exemplify the tragic condition of humankind.
她代表着典型史诗和悲剧的人物，她有无比的智慧却又无能为力，象征着人类悲剧的处境。
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Deep vein thrombosis (DVT) is a condition in which a blood clot, or thrombus, develops in a deep vein - usually in the lower leg.