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1. 您必须首先冷冻鱼类，杀灭任何寄生虫。

   nín bì​xū shǒu​xiān lěng​dòng yú​lèi, shā​miè rèn​hé jì​shēng​chóng.

   You must freeze the fish first to kill any parasites.

   Source: CCMatrix