A hole in the ground.

• A dug cavity or trench in earth.

地面上的洞。

• 在土中挖出的空穴或沟槽。

A mine or open excavation for extracting minerals.

采掘矿物的矿坑或露天矿场。

The area at a racetrack for refueling and repairs.

赛道上用于加油和维修的维修区。

The stationary percussion section of a marching band; the front ensemble.

行进乐队的固定打击乐分部；前场合奏区。

A small surface hole or depression.

• The indented mark left by a pustule.
• On an optical disc, a tiny sunken data feature.

表面上的小凹坑或小孔。

• 皮肤上由脓疱留下的凹痕。
• 光盘上的微小下陷数据点。

An armpit.

腋窝。

The part of a theater on the floor behind the orchestra.

• In the U.S., the parquet; in England, the area behind the stalls.

剧院中舞台前、乐池后方的平层观众区。

• 在美国称正厅座；在英国指正厅后部区域。

A dense, energetic area of the crowd at a concert.

演唱会观众中拥挤、激烈互动的区域。

An unpleasant, dirty, or inferior place.

• A bleak, depressing state of mind.

令人讨厌、肮脏或糟糕的地方。

• 阴郁、沮丧的心理状态。

To make small hollows in; to pockmark or corrode.

使表面产生小凹坑；形成麻点或腐蚀。

To bring into direct competition or opposition.

使直接对抗或竞争。

To stop at the pits during a race for service.

比赛中进入维修区进行服务。

Initialism of personal income tax.

• Initialism of programmable interval timer.
• Initialism of precision/pursuit intervention technique, a police maneuver.

缩写，指个人所得税。

• 缩写，指可编程间隔定时器。
• 缩写，指精确/追捕拦截技术，一种警方拦截手法。