英语词汇“there must have been”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	there must have been
释义	there must have been vt.准已有
随便看	nlise testing nlist NLIST N-list n'litened nlit surface Nlood fat nlood vessels NLO property NLOS NLOS communication NLOS location N loss N losses NLost N Lost n-lost nlj Nl Journal of Symbolic Computation NLK nll N.L.L nlld nlling model NLL logging