clinical trial

柯林斯词典

clinical trial (clinical trials)

• 1. N-COUNT When a new type of drug or medical treatment undergoes clinical trials, it is tested directly on patients to see if it is effective. 临床试验

  Two rival laser surgery systems are undergoing clinical trials in the U.S. 两个竞争的激光手术系统正在美国进行临床试验。

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