学习笔记：
★licorice：甘草糖
例句：A confection made from or flavored with the licorice root.甘草糖一种用甘草根制成或加入甘草根的糖果
★chocolate：巧克力
例句：chocolate is wrapped in foil to keep it fresh.为保新鲜，巧克力用箔纸包起来。
★gum：口香糖
例句：Chewing gum stuck on the doors of MRT trains can cause them to malfunction and the entire system to come to a standstill.一团口香糖粘着地铁车门，导致车门开关失灵，列车开不动。
★candy：糖果
例句：She eats too much candy. 她吃的糖果太多了。
★ice cream：冰淇淋
