wafers

n.

a small adhesive disk of paste; used to seal letters

a small thin crisp cake or cookie

thin disk of unleavened bread used in a religious service (especially in the celebration of the Eucharist)

1. I love eating wafers with chocolate in the afternoon.
   我喜欢在下午吃巧克力薄饼。
2. The company is producing wafers for the new microchips.
   该公司正在生产用于新型微芯片的半导体晶片。