相关timebombwhen的文学知识

问题详情：DoctorsinBritainarewarningofanobesity（肥胖症）timebomb,whenchildrenwhoarealreadyoverweightgrowup.So,whatshouldwedo?Exercisemore?Eatless?Orboth?Thegovernmentfeelsithastotakeresponsibilityforthisgr...