英语词汇a knotty 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	a knotty problem
释义	knotty problem— 疑难问题 See also: knotty — 伤脑筋 • 缠手 • 疑难 problem n — 难 n • 课题 n • 难度 n • 疙瘩 n • 难处 n • 周折 n • 烫手山芋 n
随便看	inert gas purge inert gas shielded inert gas shielded arc welding inert gas-shielded welding inert gas supply inertia inertia and resistance inertia balance inertia design inertia due to inertia effect inertia energy inertia flywheel inertia force inertia-free inertia friction inertial inertial confinement fusion inertial force inertial frame inertial frames of reference inertial guidance inertially inertial mass inertial measurement

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。

knotty problem—