<h4><p>Please learn by <span>hear</span>t these words with meaning.&nbsp;</p><ol><li>automobile = a car</li><li>an airplane = plane</li><li>the internet =&nbsp;an international computer network connecting other networks and computers from companies, universities etc.&nbsp;</li><li>a radio = the activity of broadcasting programmes for people to listen to</li><li>&nbsp;antibiotics = <span><span><span>that can destroy or prevent the growth of bacteria and cure infections</span><b>&nbsp;</b></span></span></li><li>a personal computer = <b>a small computer that is designed for one person to use at work or at home</b><br></li><li>a TV = television<br></li><li>rocketry = the area of science which deals with rockets and with sending rockets into space; the use of rockets</li><li>&nbsp;a nuclear power = nuclear energy<br></li><li>a submarine = a ship that can travel underwater<br></li></ol></h4>