layer of cloth

例句：

1. 1. The cake is layered with chocolate and nuts.
   这个蛋糕夹杂着巧克力和坚果。
2. 2. The layers of the onion are soft and juicy.
   洋葱的层次是软而多汁的。
3. 3. The scientist used a microscope to observe the layers of the sample.
   科学家用显微镜观察样本的层次。