英语词汇optional expansion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	optional expansion
释义	optional — 可选的 adj • 任择 adj • 选配 adj • 选购 adj • 自选 expansion n — 扩大 n • 拓展 n • 扩充 n • 扩产 n • 扩建 n option n — 方案 n • 选择 n • 选择权 n • 选修课 n • 购买权 n • 可选择的事物 n option — 选择 • 期权 expand — 增 • 拓 • 拓展 • 发展 • 扩充 • 膨胀 • 壮大 • 使膨胀 • 菶 • 挓 expand v — 展开 v
随便看	violate the treaty violate the trust violate the values violate your privacy violating any applicable local violating company violating Constitution violating harassment violating human rights violating international norms violating our policies violating party violating patents violating person violating regulations violating requirements violating rules violating terms violating the ban violating the confidentiality violating the guidelines violating their rights violating the rights violating these terms violation charges

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。

optional —