The first bite draws blood, and blood draws a pack of piranhas.
第一口咬出来的血散开了，会引来大量的食人鱼。
Once the suction and mosquitoes eat blood, to be fully digested before another vampire bite.
而蚊子一旦吸饱血后，要待完全消化后才会再叮人吸血。
Histamine cause blood vessel near the bite to enlarge.
组胺引起被咬部位周围血管扩张。
Histamine cause blood vessel near the bite to enlarge.
组胺引起被咬部位周围血管扩张。
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