Language Point 41
Especially the very young, the elderly and cigarette smokers are at high risk. (Para. 30)
Meaning: Especially children, old men and women, and cigarette smokers are more in danger from air pollution.
at risk: in danger
The disease is spreading, and all children under 5 are at risk.
這疾病正在蔓延,五歲以下的兒童都有被傳染的危險(xiǎn)。