n.洗（净）；洗涤用水

The baby needs a thorough lavation before bedtime.
婴儿在睡觉前需要彻底清洗。
She indulged in a long, luxurious bath for relaxation after work.
下班后，她享受了一个长时间、奢华的泡澡来放松身心。
The patient's wounds required daily lavation to prevent infection.
患者的伤口每天都需要清洁以防止感染。
The archaeologists carefully performed a chemical lavation on the artifacts.
考古学家们仔细地对文物进行了化学清洗。
The surgeon washed his hands thoroughly with soap and water as part of the pre-operative lavation.
外科医生用肥皂和水彻底洗手，这是手术前的常规清洁步骤。
The old house needed a good exterior lavation to remove years of dirt and grime.
这座老房子需要好好清理一下外部，去除多年的污垢和尘土。
The contaminated equipment was sent to the lab for specialized lavation procedures.
被污染的设备被送到实验室进行专门的清洁程序。
The infant's delicate skin requires gentle lavation products without harsh chemicals.
婴儿娇嫩的皮肤需要使用不含有害化学物质的温和洗涤产品。
After the hike, we all took refreshing showers as a form of post-exercise lavation.
徒步旅行后，我们都洗了个清爽的淋浴作为运动后的清洁方式。
The ancient pottery碎片经过专家的精细清洗（lavation），显露出精美的图案。
The exquisite patterns on the ancient pottery fragments were revealed after the experts' meticulous lavation.