Ethoxal
乙(酯)草酸
🗣️ 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
He failed the examination but he didn't seem to care.
他考试不及格却似乎并不在乎。
Let me see your driver's license, please.
请让我看看你的驾驶执照。