E-c
abbr. ether-chloroform 天空醚—氯仿（混合）
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
The sewing machine is out of order.
这缝纫机坏了。
Glad to hear that.
太好了