1 classification
2 cope
3 discard
4 hazard
5 involve
6 item
7 a mass of
8 plant
9 regulation
10 vehicle
11 oubreak
12 dustbin
13 comfined
1 classification 分类
2 cope 妥善处理
3 discard 丢弃
4 hazard 危害
5 involve 包含
6 item 一件商品
7 a mass of 一堆
8 plant 工厂
9 regulation 规章制度
10 vehicle 车辆
11 oubreak 爆发
12 dustbin 垃圾桶
13 comfined 被限制的
