jackhammer造句

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.

She held her ears when the jackhammer started to operate; hold one's nose.
当手提钻开始工作时,她塞住耳朵; 塞住鼻子.

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.