ethylnandrol

例句：

1. 1.This compound is used as a solvent in the production of ethylene dioxide.
   这种化合物在生产乙烯二氧化物时用作溶剂。
2. 2.The ethylene glycol was added to the solution to lower its freezing point.
   向溶液中添加了乙二醇以降低其凝固点。
3. 3. Ethylene glycol is also used as a preservative in food and pharmaceutical products.
   乙二醇还用作食品和药品产品的防腐剂。