Butex
[化] 二(β-丁氧乙基)醚; β,β'-二丁氧基二乙醚
🗣️ 情景例句
Lacks enthusiasm, passive and indifferent.
卸乏热情，不主动且态度冷淡。
Thank you very much for giving us your valuable time.
我们占用了你宝贵的时间，非常感谢。
Bottoms up!
干杯（见底）！