Biacetyl
联乙酰, 2, 3一丁二酮
🗣️ 情景例句
I'd like to see the doctor at the earliest possible time.
我想尽快看医生。
A man is known by the company he keeps.
察其友知其人。
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.
此刻老妇人也镇定了下来，准备在看门人的协助下搜寻可能仍躲藏在她房里的窍贼。