他的年岁使他根本不可能成为候选人。

His age effectively ruled him out as a possible candidate.

《牛津词典》

尽管这向天文学家证明了金星被一层厚厚的气体所包围，这层气体使太阳光在金星周围发生折射，但这两种效应都使精确的时间控制成为不可能。

While this showed astronomers that Venus was surrounded by a thick layer of gases refracting sunlight around it, both effects made it impossible to obtain accurate timings.

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技术的不断进步使更严格的实验成为可能，曾经被嘲笑为不可能的现象成为了新的规范。

As better technology enables more exacting experiments, phenomena that were once scoffed at as impossible become the new norm.

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