custom 不可数 可数时 customs 就变成海关官员了At the airport; the customs officers searched his case. 在机场,海关人员检查了他的箱子。
简明英汉词典customs n.进口税, 海关是否还是原意

custom 不可数 可数时 customs 就变成海关官员了At the airport; the customs officers searched his case. 在机场,海关人员检查了他的箱子。
简明英汉词典customs n.进口税, 海关是否还是原意