ethyleneamine

例句：

1. 1. The compound is used as a pesticide and also as an intermediate in the production of plastics.
   这种化合物用作杀虫剂，也是塑料生产中的一种中间体。
2. 2. Ethyleneamine is a key component in the synthesis of many polymers.
   乙二胺是合成许多聚合物的关键成分。
3. 3. The use of ethyleneamine can be harmful to humans if not handled properly.
   如果不妥善处理，乙二胺的使用对人类是有害的。