英语词汇“first -class mail”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	first -class mail
释义	first -class mail 🌏第一类邮件；一级邮件；第一等的邮件
随便看	sequence of martingale difference sequence of matrix sequence of maximum entropy sequence of measurable functions sequence of measurable sets sequence of measurable spaces sequence of measurement sequence of measurements Sequence of Measurement Taking sequence of mining sequence of motion sequence of movement sequence of muscle development sequence of narration sequence of natural numbers sequence of neighbo sequence of neighbourhoods sequence of neighbo u rhoods sequence of nonexpansive mappings sequenceof nonoverlapping intervals sequence of nonoverlapping intervals sequence of normed spaces sequence of number sequence of number limit sequence of numbers