The drugs block the action of progesterone.

这些药物阻止孕酮发挥作用。

《柯林斯英汉双解大词典》

The statement clearly was intended to caution Seoul against attempting to block the council's action again.

很显然，这份声明用意在于警告首尔别再试图阻止委员会的行动。

《柯林斯英汉双解大词典》

Each probe clause consists of a probe point specification statement, action block, and an optional predicate.

每个探测子句由一个探测点指定语句、动作块和可选的断言组成。

youdao

The action will let the Treasury Department block or seize any of their money within reach of United States laws.

VOA: special.2009.04.18

Many antibiotic medicines currently in use block bacterial ribosomes from action.

VOA: special.2009.12.08

Professor Michael Seckl, who also worked on the study, said drugs were already in development that can block the action of FGF-2.

BBC: 90% of lung cancer cases are linked to smoking

Both Sugen and Genentech are rushing to conduct final-stage human testing of drugs that block the action of a key protein, called VEGF.

FORBES: Targeting Tumors

Because memory takes time to form, he conjectured that drugs which block the action of these hormones soon after the trauma might decrease the intensity of the memory.

ECONOMIST: Memory and emotion: Thanks for no memory | The