E-c
abbr. ether-chloroform 天空醚—氯仿（混合）
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
That street is only two miles long.
那条街仅仅是2英里长的。
Words can't express what I felt then.
无法用语言形容我当时的感受。