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

短语	periodic perturbation
释义	periodic perturbation 【天文学】周期摄动【数学】周期摄动
随便看	old roses Old Russian Olds old salt old salts old saw old saws Old Saxon old saxons old school old-school old schooler old schools old-schools old school tie old school ties Old Scratch Old Serpent old shell old shoe oldshoe old shoes Old Slavic old sledge old sledges

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。