Long queues to buy surgical masks have become a common sight across Asia. Masks do little to prevent the inhalation of airborne coronavirus particles, which are mostly too small to filter out, say experts. That has not stopped the stockpiling.
排長隊購買外科口罩，在亞洲各地已經(jīng)變成常見的一幕。專家們表示，口罩基本上不能防止吸入空氣中的冠狀病毒微粒，這些微粒大多太小，無法被過濾掉。但這未能阻止人們搶購。
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