Deta
abbr. 二乙撑三胺；二亚乙基三胺
🗣️ 情景例句
You know something, Ellen?
知道一件事吗， Ellen？
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。