一线❶war front;frontline;forefront
❷a ray of;a glimmer of
生死系于～。Life hangs by a thread (or in balance)./～党员Party members at the frontline of production/～生机a gleam of hope in despair;a slim chance of survival/～希望a glimmer of hope/～阳光a ray of sunlight/～员工worker at the production line/～战场frontline battlefield |