• n. 手提鉆

jack,代稱，hammer,錘子。引申詞義風(fēng)鉆。

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.

建筑工人用手提鉆機(jī)在混凝土上不斷打孔.

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2. She held her ears when the jackhammer started to operate; hold one's nose.

當(dāng)手提鉆開始工作時,她塞住耳朵; 塞住鼻子.

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3. I talk to my friend and someone repairing the road behind us starts up a jackhammer.

我和朋友說話,而某人在我們身后正用手提鉆在修路.

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