smoke ball

• n. 烟幕弹；速度极快的飞球

smoke ball的用法和样例：

例句

用作名词 (n.)

1. Pop some smoke and let me see your location.
   放烟幕弹，让我找找你们的位置。
2. Smoke bombs and candles may be obtained from the Armed Services to control.
   烟幕弹和烟火可以从军队后勤部门得到。