基本解释[航空、航天科學技術]額外空勤組員英汉例句雙語例句The additional crew member who will staff the open deck might prove an expensive luxury in austere times.而且在站台上工作所需要的額外的工作人員在睏難時期確實非常奢侈。additional crew member更多例句词组短语短語acm additional crew member 增補的乘員additional crew member更多词组专业释义航空、航天科學技術額外空勤組員