E-c
abbr. ether-chloroform 天空醚—氯仿（混合）
🗣️ 情景例句
Excuse me. My name is Richard Stewart.
对不起 我叫Richard Stewart。
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。