We all have pain in our lives, whether it's the jackhammer snarling across the street, or the sudden wave of anxiety when we get up to give a speech.
我们在生活中都有痛苦，无论是在街对面吼叫的手提钻,还是当我们站起身发表演讲时突然而至的一阵焦虑。
High-scalers were the men who climbed down ropes to jackhammer the sheer canyon walls so the concrete would stick.
高空作业者顺着绳子吊在半山腰，他们用手提钻在岩壁上打孔，使混凝土贴附得更牢固。
The construction worker battered away at the concrete with a jackhammer.
建筑工人用手提钻机在混凝土上不断打孔。
I talk to my friend and someone repairing the road behind us starts up a jackhammer.
我和朋友说话，而某人在我们身后正用手提钻在修路。
For example, the piccolo generates sound that is equivalent to a jackhammer 30 feet away, she says.
比如，短笛产生的声音相当于30英尺远手提钻产生的声音。
A system or device for doing work, as an automobile or a jackhammer, together with its power source and auxiliary equipment.
机械系统：用来工作的系统或装置，如汽车或手持式凿岩机，包括其动力源和辅助设备。
A system or device for doing work, as an automobile or a jackhammer, together with its power source and auxiliary equipment.
机械系统：用来工作的系统或装置，如汽车或手持式凿岩机，包括其动力源和辅助设备。
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