play a role in

A structure next to the hippocampus called the amygdala is known to play a role in stamping this indelible mark.(海马区旁边有一个被称为‘杏仁核’的结构体，已知在烙下不可磨灭印记中起到一定作用。)

But websites can lose that immunity if they play a role in developing the content at issue.(但如果网站在开发这样的内容中起着重要的作用，则其不能豁免。)

That suggests that the vitamin may play a role in brain development and the protection of neurons.(这表明维生素可能在大脑发育和保护神经元方面发挥着重要作用。)

Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.(因为这些事物都是未成对的，我们已经发现在Stern-Gerlach实验中，未成对电子扮演怎样一个角色了。)

Your genetic makeup may also play a role in how susceptible you are to the development of age spots.(个人的基因构成也可能对老年斑的产生造成影响。)

We sincerely hope that WWF can play a role in protecting this endangered species.(我们真诚地希望世界自然基金会能在保护这个濒危的野生物种中发挥作用。)

They suggest that genes on the X chromosome play a role in autism.(他们说x染色体的基因在自闭症中起着作用。)

In fact, Kerwin's team is already seeing some hints that estrogen may play a role in cognition in obese women.(实际上，科尔文等学者已经发现了一些线索，从中能推断出雌激素可能在肥胖女性的认知力中起到作用。)

There is no present evidence that domestic cats play a role in the transmission cycle of H5N1 viruses.(目前没有证据表明，家猫在H5N1病毒的传播链中发挥了作用。)

Whether DEC salt will continue to play a role in the eradication effort is not entirely clear.(是否DEC盐会在消灭丝虫病中继续发挥主要作用还不清楚。)