The constancy of the speed of light seems, at first thought, unremarkable.

光速恒定, 初看起来好像很平常.

辞典例句

At first thought, it is almost impossible to live under the ground.

乍一想, 在地下生活简直是不可能的.

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So we might, at first thought.

所以, 我们一开始会想.

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Guajardo at first thought the driver was okay.

当她慢慢开过的时候,她朝车里看去.

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