Decil
[医]二甲胺乙（基）
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
There is no superior 'they' in the shape of managements and hotel hierarchies to darken his holiday days.
但在露营地里根本不会有管人的人上人"和酒店里的等级制度来使露营者的假日过得阴郁低沉。