“ESL--ESL（English as a second language）”概念、定义、翻译-科学时代

单词	ESL--ESL（English as a second language）
释义	语言学词汇手册 ESL（English as a second language）英语作为第二语言
随便看	bus voltage busway busy busy background busy body busy channel busy cycle busy Lizzie busy month busy period busy period busy period busy season busy season busy season busy season to book sales busy signal busy tone busy waiting butachlor butadiene-acrylonitrile rubber butadiene derivative butagas butam butamifos

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

ESL（English as a second language）