Place the leaves between two sheets of paper.
把叶子放在两张纸之间。
These layers are sandwiched between two sheets of glass or plastic.
这些层夹在两片玻璃或塑料之间。
Press them by setting them between two sheets of waxed paper. Then set the leaves and waxed paper inside the pages of a book.
把叶子夹在两张蜡纸之间,然后把叶子和蜡纸一起放进书中。
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