Our factories humto the rhythm of robot assembly arms.
我们的工厂嗡嗡地响着机器人装配手臂的声音。
2
The city streets still humto the rhythm of commerce.
这座城市的街道依然回荡着商业的节奏。
3
It's a fair point, and I wonder how long it will be before someone installs a low-frequency humto the bikes to prevent pedestrians from being mowed down.