Scientists lobbed a bombshell into the world of sub-atomic theory on Wednesday by reporting that a primary building block of the visible Universe, the proton, is smaller than previously thought.
科学家们周三向亚原子理论的世界抛了颗重磅炸弹：可见世界的一块基石——质子——比先前人们认为得要小。
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'I was walking around the block one night and thought, you know, we need another animal,' Mr. Purves said.
普尔夫斯说，“一天晚上，我走过一个街角时突然想，应该以另一种动物来描述目前的股市状态。”
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"I thought that it is best that I should withdraw and go back to South Africa so that I do not become a stumbling block myself," said Ramaphosa.