Ketene
n. [化] 乙烯酮, 烯酮
🗣️ 情景例句
But Alexandra and I
但Alexandra和我
He was anxious about his son's safety.
他担心他儿子的安全。
No matter what happens, she often said, keep on beginning.
无论发生什么事，"她常说，不断从头开始。