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
