N,n-dimethylacetamide(dma)
[化] N,N-二甲基乙酰胺
🗣️ 情景例句
But I'm still a little worried about you, Ellen.
但我还是有点牵挂着你， Ellen。
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
Police are wary of itinerants who cannot be traced to a recognized camp boundary or to four walls.
警察则对那些查不出有固定营地或住处的游荡者保持警惕。