| 释义 | join upphrasal verb with joinverbuk /dʒɔɪn/ us /dʒɔɪn/
 If you join up, you become a member of one of the armed forces: 参军,入伍
 "Have you been in the army for a long time?" "I joined up as soon as I'd left school."“你参军很长时间了吗?”“我中学一毕业就参军了。”
 SMART Vocabulary: related words and phrases
 Joining or leaving the army
 absent without leave
 anti-draft
 buy
 buy someone out
 call
 call someone up
 commission
 conscript
 conscription
 demob
 desert
 deserter
 desertion
 draft
 draft dodger
 enlist
 enlistment
 re-enlist
 re-enlistment
 re-up
 
 join up | American Dictionary
 join upphrasal verb with joinverb[ I/T ]us/dʒɔɪn/
 to become a member of the military or another group:
 Levi was not the first member of his family to join up – his sister was already in the Navy.
 Save the Seagulls is looking for volunteers to join up.
 
 join sth up | Business English
 join sth upphrasal verb with joinverbuk /dʒɔɪn/us
 to connect two or more things together:
 Good communication between suppliers joins up the supply chain and improves efficiency.
 
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