英语词汇threefold barrier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	threefold barrier
释义	threefold barrier 翻译三倍的障碍以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 ?三倍垒三倍垒
随便看	teaching manual teaching map teaching maps teaching material teaching material management teaching materials teaching means teaching media teaching method teaching methodology teaching methods teaching microscope teaching mode teaching model teaching module teaching objectives teaching observation teaching ocular for cystoscope teaching of composition teaching of learning characters teaching of psychology teaching optimization teaching-oriented teaching package teaching perfermance test

英汉双解词典包含3185865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。