Iran claims to have put a satellite in orbit recently, but there is no conclusive proof.

伊朗宣称最近已经把一颗人造卫星放入轨道，但是没有确凿的证明。

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Theobromine stimulates the heart muscle and the nervous system. And phenyethylamine is reputed (no conclusive proof exists yet) to be a mood elevator and an anti-depressant.

咖啡因可以作为兴奋剂，可可碱会刺激心肌和神经系统，而phenyethylamine（至今尚未有确凿的证据证明其存在）号称是情绪电梯和抗抑郁剂。

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The nanny test offers conclusive proof that I am not a manager, and should be turned away if I applied to be one.

这个保姆测试确切地证明，我并非一位管理者，如果申请此类工作，应该立刻被拒绝。

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So, if Iraq is concealing something nasty, perhaps only a defector will provide conclusive proof.

ECONOMIST: Assessing the evidence against Saddam Hussein

It does not offer conclusive proof that this is causing a rise in asthma.

BBC: NEWS | Health | Cleaning products 'wheezing link'

There is no conclusive proof that Celebrex works as a preventive drug for anything other than a rare genetic condition that can lead to colorectal cancer.

FORBES: Using An Arthritis Drug Against Cancer