请注意心肌梗塞还有其他的征兆发生，然后才会发生左上肢的疼痛。

There are other signs of heart attack before feeling pain in the upper left arm.

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被选为伦敦警察局的长官，就像杀君弑父成为部落的酋长或者在一块动乱频发的高加索封地做领主一样，荣耀中暗藏凶兆。

LIKE being the leader of a regicidal tribe or a fractious Caucasian fief, to be chosen as commissioner of London’s Metropolitan Police has become an ominous accolade.

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但是，如果是通过核能发1000兆瓦电，只要60万美元。

But if you want to generate a thousand megawatts of electricity through nuclear energy, it would cost only sixty million dollars.

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