英语短语词组词汇observational study的音标、释义、翻译、用法及例句-英语短语词组词典

短语	observational study
释义	observational study 比较研究
随便看	Regge recurrence Regge theory Regge trajectory Regge, Tullio Reggio Reggio di Calabria Reggio nell' Emilia regicidal regicide regicides regie regier regies regild regime regimen regimens regiment regimental regimental landing team regimentally regimental sergeant-major regimentation regimentations regime of matrimonial property by agreement

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。