The typical lawn mower makes about 90 decibels of noise.典型的割草机发出的声响约为90分贝.We need a lawn mower to cut the grass.我们需要一台草坪修剪机来割草.Your big lawn mower is just the job for the high grass.割高草时正需要你的大割草机....

n.割草机，剪草机...

lawn mower的音标：...