单词:screw-thread smoke tube
单词:screw-thread smoke tube 相关文章
1891 、 翼面;空气动力面 aerofoil;airfoil 1892 、 翼规 wingcompasses 1893 、 声强度 soundintensity 1894 、 联接;轴接 coupling 1895 、 联轴节;联接器 coupling 1896 、 联锁
Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at
Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an
吸烟危害身体健康,这三岁小孩都知道。但是,照样有无数前赴后继的勇士们在不停地加入着这个行列,并且,坚定不移而又顽强地在摧残着自己微弱身躯。中国拥有庞大的吸烟人口,世界上每四个烟民中就有一个是中国人;而与此同时,全球每年有3000万新增烟民,我国又占了其
BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn
Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at