v.减少；减轻
The Japanese should lessen their working hours. 日本人应该减少工作时数。
We should be able to lessen the damage to the city here. 在这里我们必须能够减少对这个城市的损坏。
This medcine can lessen the pain in no time. 这种药可以立刻减轻痛苦。
Regular exercise can help to lessen the pain. 经常运动有助于减轻痛感。
v.减少；减轻
