警察在调查现场发现了一颗子弹嵌在树干里。

The officer found a ___bullet embedded in the tree trunk at the scene.

在购物清单上，我用圆点标记了需要购买的物品。

I used ___bullet points to list the items I need to buy on the shopping list.

他的新跑车在高速公路上飞驰如子弹一般。

His new sports car shoots down the highway like a ___bullet.

消息以闪电般的速度在办公室里传播开来。

The news ___spread through the office at lightning speed.