Piperonylacetone
[化] 胡椒基丙酮
🗣️ 情景例句
You can feel very proud of your grandson, Mr. Stewart.
你可以为你的孙子感到非常的骄傲， Sewart先生。
Is it true that manufacturing of automobiles is a major industry?
汽车生产是主要工业是真的吗？
After putting it on, Mrs.Richards went downstairs.
理查兹夫人穿上化装服后下了楼，