英语词汇Optional coverage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 coverage
释义	optional — 任择 adj • 可选的 adj • 选配 adj • 选购 adj • 自选 coverage n — 报道 n • 范围 n coverage — 覆盖率 • 盖率 option n — 方案 n • 选择 n • 选修课 n • 选择权 n • 购买权 n • 可选择的事物 n option — 选择 • 期权
随便看	entireness entire night entire number entire offer entire office entire office area entire opening entire operation entire order process entire order processing entire organisation entire organization entire output entire outstanding entire outstanding balance entire overview entire page entire paper entire paragraph entire passage entire pattern entire payment entire people entire perimeter entire period

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 —