1. But Drew wasn't done. In 1930, he created a see-through, water-proof (防水的), cellophane (薄膜) adhesive (胶粘剂).
    但是，德鲁并没有就此满足。1930零年，他发明了一种透明、防水的薄膜胶粘剂。

2. He bought some adhesive stamps.
    他买了一些背面有胶水的邮票。