求一段翻译thomas adams discovered bubble gum in the 1870s.he was an american.he wanted to find a use for chicle.he tired to make rubber from chicle.

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 07:15:21
xT]OP+r.HЛeɖOL"lT~Qdt@P,-de+@ۼbI<<h; qa^VSNR ND\K(#GQx)^'Q:ƣT@'>/#\i)BdqhI|J@X<%* ОмJjBaa X =y ;7'TiGMšbjctG cv?ӄɰQ4$R6;mwF+eZ"֫7o߽{IܪSG;%ِhVȪI =9o!f.A?"` N٬ ggm룕SKN06lE֏nj0Є%*˖K0cJ-T## 7A2O01TCU D k8}"W&Wh?/sx S|4׹*F_5_xrg,@5ms`fb^V}وmGoc8 B5vDoyޠmٶNK-rM E~Aj;(&Yj5Rg&"^C6*g&'6