The cutlery is plate, not solid silver.
这套餐具是镀银的，不是纯银的。
Much modern furniture is not solid but uses a sandwich of wood veneer on plywood .
许多现代家具用的并非实心木料，而是在胶合板上镶上一层木板饰面而已。
This is because the mechanical memory can only be effective in the short term, is not solid.
这是因为机械记忆只能在短期内奏效，并不牢固。
This is because the mechanical memory can only be effective in the short term, is not solid.
这是因为机械记忆只能在短期内奏效，并不牢固。
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