英语词汇“be in operation”的翻译、意思、用法、释义-英汉双解词典-雅致网

单词	be in operation
释义	请查阅词条：operation
随便看	gentleman usher of the black rod Gentleman Usher of the Black Rod gentlemen gentlemen-at-arms gentlemen farmers gentlemens gentlemen's agreement gentlemen's c gentlemen's C gentleness gentleness gentlenesses gentlepeople gentle-people gentler gentle song gentlest gentlewoman gentlewomanly gentlewomen gently gently gently born gently born gentoo 乐池乐清乐滋滋乐理乐章乐舞乐见乐观乐观其成乐评 Thailand thailandisch thailändisch Thallium Thames Thanatologie Thanatos Thea Theater Theaterbesucher