Nanotech
納米技術
??? 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
A rolling stone gathers no moss.
滾石不生苔，轉業不聚財。
They were in fashion last year and the year before last.But they're not in fashion this year.
這鞋在去年和前年時興，而今年已不流行了。