Biacetyl
联乙酰, 2, 3一丁二酮
🗣️ 情景例句
Can you tell me where the tourist sites are located?
你能告诉我本地有什么旅游名胜吗？
Please look at the data of this first chart.
请看第一幅图表的数据。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，