Deta
abbr. 二乙撑三胺；二亚乙基三胺
🗣️ 情景例句
Do you have any brothers or sisters?
你有兄弟姐妹吗？
Where will they be going for their holiday?
他们休假时要上哪去？
that intelligent life is bound to be a natural part of the universe.
有智力的生命必然是宇宙的自然组成部分。