由此,我们认识了21岁的约翰·柯蒂斯。1848年,在缅因州家的厨房里,柯蒂斯制作了第一块具有商业性的口香糖。
Thus we meet 21-year-old John Curtis who produced the first commercial chewing gum in his home kitchen in Maine in 1848.
由此,我们认识了21岁的约翰·柯蒂斯。1848年,在缅因州家的厨房里,柯蒂斯制作了第一块具有商业性的口香糖。
Thus we meet 21-year-old John Curtis who produced the first commercial chewing gum in his home kitchen in Maine in 1848.
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