And catechins inhibit the action of lipases, which gives them a minor fat blocking effect.

而儿茶素则会抑制脂肪酶运动，从而产生微弱的脂肪阻隔作用。

Kang said a chemical could be developed to block 4VA 's effects to prevent swarming.

康乐表示，可以研发出一种化学物质来阻止4-乙烯基苯甲醚发挥作用，继而防止形成蝗虫群。

Earlier research at King's College London had shown that CBD seemed to block the effects of tetrahydrocannabinol, the intoxicating substance in cannabis.

伦敦国王学院的早期研究显示，大麻二酚似乎可以阻止四氢大麻酚的影响，四氢大麻酚是大麻植株中的精神活性成分。

But a new study published this week in the journal PNAS has found a chemical trick that might help block the harmful effects of noise on our ears.

但是本周发表在 PNAS 杂志上的一项新研究发现了一种化学方法，可能有助于阻止噪音对我们耳朵的有害影响。

That includes the use of medications like corticosteroids, biologic agents that block the effect of tumor necrosis factor, and even intravenous immunoglobulin which can alter the immune system's activity.

其包括使用皮质类固醇等药物，阻断肿瘤坏死因子作用的生物制剂，甚至包括可改变免疫系统活动的静脉注射用免疫球蛋白。

That's why last summer, when the FDA approved CAR T cells for leukemia, they also co-approved the use of tocilizumab to block the IL-6 effects and the accompanying CRS in these patients.

这就是为什么去年夏天， 当FDA批准CAR-T细胞治疗白血病时，他们还共同批准使用托珠单抗来阻断IL-6效应和伴随的CRS。

They act to either interfere with the dynamics of cardiac action potentials by blocking a certain ion channel or block the sympathetic effects of the autonomic nervous system on the heart to slow down heart rate.

它们或者通过阻断一定的离子通道或者阻断自主神经系统中交感神经对心脏的影响，来干扰心脏动作电位的活性。