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sign up英英释义Verbengage by written agreement;"They signed two new pitchers for the next season" joi......
sign up英英释义Verbengage by written agreement;"They signed two new pitchers for the next season" joi......
英语sign in和sign up区别是什么？ 一、sign in，相当于check in，检入、登记、 报到、（空）验票、登机、办理登机手续等意，英文释义为：announce one's ar......
