chewing gum

It is impolite to blow large bubbles with chewing gum during a formal meeting.

(Chinese) 在正式会议上用口香糖吹大泡泡是不礼貌的。

Many people use sugar-free chewing gum to keep their breath fresh after eating.

(Chinese) 许多人用无糖口香糖来保持饭后口气清新。