英语词汇are effective against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	are effective against
释义	be effective [idiom.]— 行之有效 effective — 有效 • 行 • 有效的 adj • 效的 adj • 成效 adj • 高效 adj • 切实 adj • 好用 • 有作用 • 灵 • 奏效 • 有结果 • 灵验 against prep — 反 adv • 反对 prep • 预防 prep • 违反 prep • 倚 prep • 违背 prep • 制止 prep • 与...对抗 prep • 紧靠 prep • 与...竞争 prep • 与...相比较 prep • 阻止 prep are — 是
随便看	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 low levels of corruption low levels of demand. low levels of education

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。

be effective [idiom.]—