英语词汇“when will he be back?”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	when will he be back?
释义	when will he be back? 他什么时候回来?
随便看	summation by part summation by parts summation check summation cipher summation circuit summation click summation convention summation current transformer summation curve summation curves summation device summation effect summation element summation exponent summation factor summation flowmeter summation flowmeter indicator summation formula Summation Formula of Kind One Progressions summation formula of poisson summation formular summation frequency Summation Function summation gallop summation graph