Diethyl oxydiformate
[建] 焦碳酸二乙酯
🧩 词语组成解析
a. [化]二乙基的
🗣️ 情景例句
I needed that.
我正需要这个。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
I was so tired. I could have slept for a week.
我累死了！我能蒙头睡上一星期。