jackhammer

英['dʒækhæmə]美['dʒækhæmɚ]

近义词

反义词

jackhammer 风钻

jack,代称，hammer,锤子。引申词义风钻。

jackhammer (n.): also jack hammer, 1903, from jack (n.) + hammer (n.). As a verb by 1965.

1. 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.

2. 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.

3. 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.