英语词汇pacing up and down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pacing up and down
释义	up and down — 上下 ups and down— 低昂
随便看	send to you by email send traffic send transaction send tribute send troops send troops to rescue the King send trough send under escort send unsolicited emails send unsolicited emails or other communications send up send update send us a bill send us a document send us a e-mail send us a fax send us a feedback send us a message send us an email send us an enquiry send us a note send us back send us by fax send us directly send us enquiry

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

up and down —