释义 |
pneuˌmatic ˈdrill(us 美 jackhammer) noun [c] a large powerful tool, worked by air pressure, used especially for breaking up road surfaces 风钻 pneumoniapneumonia/nju:ˈməʊniə; us nu:- ||; nuˈmonjə/noun [u] a serious illness of the lungs which makes breathing difficult 肺炎 |