英语词汇has been challenging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	has been challenging
释义	challenging — 困难 • 艰难 • 高难 • 戛戛 challenging adj — 挑衅的 adj • (任务或工作)具有挑战性的 adj • 艰巨的 adj has-been — 过气
随便看	fedex tracking number fed fish fed formula fed forward fed from fed funds fed funds rate fed funds rate 0 0.25 fed funds rate 0.25 fed funds target rate fed fund target rate fed Governor fed i.d. fed induction feding fed-in tariffs for renewable energy fed interest rate fed into fed into a process fed into production fed into the grid fed into the natural gas grid fed into the network fed into the power grid fed into the public grid

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。

challenging —