Some medicines reduce dopamine activity or block its action.

一些药物降低多巴胺的活性，发挥阻碍功能。

Like, they block the action of one protein or something.

比如，它们会阻碍某个蛋白质等的行动。

The undecided senators will determine whether Senate action can be blocked altogether.

犹豫不决的议员们将决定参议院行动是否会被完全封锁。

For more than two weeks, India's political opposition has blocked action in parliament.

两周多以来，印度的政治反对派阻扰议会行动。

The drug blocks the action of the cancer gene.

【action】这种药有遏制癌症基因的作用。

The central government could bring legal action against Mr. Onaga to block his action.

中央政府可以对 Onaga 先生提起法律诉讼，以阻止他的行动。

Ipilimumab locks onto and thus blocks the action of a protein, CTLA-4, which sits on the outer membranes of immune-system cells called T-lymphocytes.

易普利姆玛锁定并抑制CTLA-4的活动，这种蛋白位于T淋巴细胞的细胞膜外层。

Newer therapies called biologics can also be useful, because they block the actions of cytokines like tumor necrosis factor alpha and the interleukins.

生物制剂治疗这种新疗法同样有效，能阻断TNF-α和IL-1等细胞因子的作用。

The American ambassador to the United Nations Samantha Power has accused Russia of holding the organization hostage and blocking action against Syria over the apparent use of chemical weapons.

美国驻联合国大使萨曼莎鲍尔指责俄罗斯挟持该组织并阻止对叙利亚明显使用化学武器的行动。