In one way cytologist do that is by looking at blood samples.

家的一种研究方法察血液样本。

A cytologist studies living cells, and may focus on those that cause disease. That's your answer and that's your shoutout.

家研究的活，并且关注某些引起病变的。你回答对了吗？这本期的大喊答题节目环节。