Among men (who already have a heightened risk of chronic respiratory disease due to their higher rates of smoking), exposure to indoor smoke nearly doubles that risk.
在男性中(他们因吸烟率较高已经具有罹患慢性呼吸系统疾病的更高风险)，接触室内烟雾几乎可使面临的这种风险翻倍。
Germany was already on heightened alert.
德国已经加强了安全戒备。
Germany was already on heightened alert.
德国已经加强了安全戒备。
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