Note: Some materials--hydrogen fluoride gas and cadmium vapor, for example--may produce immediate transient effects that, even if severe, may pass without medical attention, but are followed by sudden, possibly fatal collapse 12-72 hours after exposure.
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Sudden onset of acute cardiac symptoms often followed by sudden death.
急性发病表现为心源性疾病症状,死亡突然。
A cell phone outage in LA on Saturday 9/24 was followed by sudden and seemingly simultaneous electrical outages on 9/25 from Chile, Karachi, Ontario, Idaho and Arizona.
洛杉矶9.24手机信号中断后紧接着几乎同时地9.25智利,卡拉奇,安大略,爱达荷和亚利桑那州电力中断。
A sudden renting sound outside made her jump: a splintering of wood followed by a crashing to the ground.
突然,屋外的声响吓到了她。一棵大树应声倒在了地上,粉碎。
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