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10 9 月

勸君莫用口呼吸

層層把關禦敵有方 鼻子是肺臟的門戶,外界的空氣只有經過鼻腔的處理後,才能安全地為人體所吸收,否則會引起各種呼吸道疾病。當人們在平靜呼吸時,一晝夜間,竟有十八立方[...]

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