Galileo "s experiments threw doubt on Aristotle" s theory of falling objects.
伽利略的实验使人们对亚里士多德的落体理论产生了怀疑。
Galileo's experiments threw doubt on Aristotle "s theory of falling objects."
伽利略的实验使人们对亚里士多德的落体理论产生了怀疑。
By raising questions about that creditworthiness, the downgrade also threw doubt on the Treasury's ability to stand behind the financial system.
通过质疑信誉度，降级还对国库券为金融系统做后盾的能力抛出了疑问。
By raising questions about that creditworthiness, the downgrade also threw doubt on the Treasury's ability to stand behind the financial system.
通过质疑信誉度，降级还对国库券为金融系统做后盾的能力抛出了疑问。
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