1. From a societal perspective, phone checking is less like belching in public and more like another bad habit. 从社会的角度来看，看手机不太像在公共场合打嗝，而更像另一种坏习惯。
2. The reality is, taking one's phone out at the wrong time is worse than belching because, unlike other minor offense, checking tech is contagious. 事实是，在错误的时间拿出手机比打嗝更糟糕，因为这不像其他小过错，查看科技产品是会传染的。
3. Tired old trucks were struggling up the road below us, belching black smoke. 疲倦的旧卡车正喷着黑烟吃力地攀爬着我们脚下的路。
4. It was belching quietly. 它打了个嗝，静静地。
5. Each car belching out fumes into the atmosphere. 每一辆小车冒着脏烟，直飘入大气层。
