1·Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal.
曾经主要由青少年购买的口香糖，现在在广告中被用作饭后的口气清新剂和牙齿清洁剂。
2·Suppose you know that there is a type of chewing gum that will give you bad breath.
假设你知道有一种口香糖会让你有不好闻的口气。
3·Nothing is necessarily gained by forcing students to learn geometry at a graffitied desk stuck with generations of discarded chewing gum.
强迫学生在一张满是涂鸦，还粘着几代人丢弃的口香糖的桌子上学习几何知识，对于学生来说毫无益处。
4·If you visit the US, you will often see it sold at the checkout counters of supermarkets, along with candy bars and chewing gum, of which it is a mental form.
如果你出访美国，你常常可以看到该报在超市的收银台上出售，而且是与糖果和口香糖在一起，这张报纸正是它们的精神形式。
5·Near the door is an open carton containing dozens of boxes of chewing gum.
门旁边是一个打开的纸箱，里面装着一打口香糖的盒子。