join link up事物首尾连接
join-up network接入网
join-up组合画面
join n up联合起来;联合
formation join-up加入队列
briefing for join-up集合程序的指示
join up light编队灯
PHRASAL VERB（动词词组） If someone joins up, they become a member of the army, the navy, or the air force. 参军
When hostilities broke out he joined up.
战争爆发后，他参了军。
PHRASAL VERB（动词词组） If one person or organization joins up with another, they start doing something together. 与…联手
Dwight decided to withdraw from the committee and join up with the opposition.
德怀特决定退出该委员会并和反对派联手。