translation.en: And we would use conventional methods -- I have a crossbow, you see the crossbow in my hand there, which we use to sample whales and dolphins for genetic studies as well.
translation.zh: 而且我们也用常规分析法 我有一个石弓，拿在手里 我用这个也采样鲸鱼和海豚作基因遗传研究