英语词汇perennial problem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	perennial problem
释义	perennial adj — 常年 adj • 多年生 adj perennial n — 多年生植物 n problem n — 难 n • 课题 n • 难度 n • 疙瘩 n • 难处 n • 烫手山芋 n • 周折 n
随便看	transformer transformer aging transformer and circuit breaker transformer applications transformer area transformer Assembly transformer based transformer building transformer bushing transformer cabinet transformer capacity transformer circuit transformer circuit breaker transformer class transformer connection transformer construction transformer control transformer cooling transformer data transformer design transformer designed for transformer equipment transformer factory transformer failure transformer fault

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。

perennial adj —