polyglycerol ester

例句：

1. 1. The polyglycerol ester is a key component in the production of cosmetics.
   聚甘油酯是化妆品生产的关键成分。
2. 2. Polyglycerol esters are used as emulsifiers in food and beverage industries.
   聚甘油酯在食品和饮料工业中用作乳化剂。
3. 3. This polyglycerol ester has excellent water resistance, making it ideal for use in waterproof coatings.
   这种聚甘油酯具有极好的耐水性，使其非常适合用于防水涂料。