您要查找的是不是:
- A loudspeaker which emits sound of frequency 1000 Hz is placed several meters from a plane reflecting wall in a large chamber containing a gas. 扬声器发射的声音频率1000赫兹是放置数米,从平面反映墙在一个大型会议厅,载有天然气。
- A device capable of collimating radiation, as a long narrow tube in which strongly absorbing or reflecting walls permit only radiation traveling parallel to the tube axis to traverse the entire length. 准直仪,平行光管一种能使射线成平行状的仪器,如一个狭长试管的强烈吸收或反射的内壁,使得射线只有在和试管轴线相平行时才能穿过整个试管
- A device capable of collimating radiation,as a long narrow tube in which strongly absorbing or reflecting walls permit only radiation traveling parallel to the tube axis to traverse the entire length. 准直仪,平行光管一种能使射线成平行状的仪器,如一个狭长试管的强烈吸收或反射的内壁,使得射线只有在和试管轴线相平行时才能穿过整个试管
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- The picture on the wall is crooked. 挂在墙壁上的画是歪的。
- He has to reflect on what answer to give. 他得思考一下如何答复。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- I have been reflecting on the matter. 我一直在考虑这件事。
- The baby daubed up the wall with his crayon. 小孩用蜡笔把墙上画得斑斑点点。
- There is a map of the world on the wall. 墙上有张世界地图。
- There is an ornament made of shells on the wall. 墙上有一个贝壳做成的装饰品。
- He continued to reflect upon it. 他继续思索这个问题。
- They were pinioned against the wall by the lorry. 那辆卡车把他们挤到墙根动弹不得。
- A high wall fetched in an ancient small town. 一道高高的城墙围绕着一座小小的古城。
- Such behavior can only reflect discredit on you. 这样的行为只能给你带来耻辱。
- He felt along the wall in the dark for the door. 他在黑暗中沿墙壁摸索着找门。
- I'll go up the wall if it doesn't stop soon. 要是不赶快停下来就要把我气死了。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。