英语词汇requires concentration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	requires concentration
释义	require — 需 • 需要 • 要求 • 必需 • 要有 require v — 规定 v • 命令 v concentration n — 集中 n • 浓度 n • 含量 n • 浓度 n concentration — 浓缩 • 凝缩
随便看	low level of knowledge low level of literacy low level of load low level of participation low level of pollution low level of security low level of trust low-level operations low level output low level pension low level platform low level pollution low-level program low level Protocol low level radiation low-level radioactive waste low level sensor low-level service low level signal low level skills low level socket low levels of awareness low levels of calcium low levels of confidence low levels of consumer confidence

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。

require —