n.(尤指身体上的)孔，穴，腔

原形：orifice复数：orifices

The water flows through an orifice in the dam.
水通过水坝上的孔口流出。
The pipe has an orifice plate to regulate the flow rate.
管道内装有孔板以调节流速。
The gas escapes from a tiny orifice in the cylinder.
气体从气缸中的微小孔口逸出。
The medicine is administered via an orifice in the arm.
药物通过手臂上的一个开口给药。
The orifice of the nozzle controls the spray pattern.
喷嘴的孔口控制了喷雾模式。
The fuel enters the engine through a calibrated orifice.
燃油通过校准过的孔口进入发动机。
The orifice in the faucet restricts the water flow.
水龙头的孔口限制了水流。
The vacuum cleaner has an adjustable orifice for different cleaning tasks.
吸尘器有一个可调节的孔口，适用于不同的清洁任务。
The orifice in the syringe allows precise dosage control.
注射器的孔口允许精确控制剂量。
The air conditioning system uses an orifice tube to regulate refrigerant flow.
空调系统使用孔管来调节制冷剂的流量。