uponprep.在 ... 上；紧接着；逼近establish comfortably舒舒服服安顿下来upon the stretchadj.紧张(紧张着)upon your mettleadj.奋发起来(鼓起勇气)upon the face ofadj.从 ... 外表判断upon the back of紧跟着在 ... 之外upon their honoradj.以名誉担保upon the balance总的来说upon on the spotadj.在场(当场；立刻；在现场上)upon a merry pin高兴upon on no termsadj.决不

1. The glass front of a cathode-ray tube upon which the image is displayed.
   显像管阴极射线管的玻璃前端，图象显示在其面
2. In wood-frame construction, a horizontal member, capping the exterior wall studs, upon which the roof rafters rest.
   横木木结构建筑物中覆盖外墙壁骨的水平构件，屋横椽被支撑在它的上面
3. One that withholds agreement or consent upon which progress is contingent.
   坚持不合作者，不让步的人拒绝同意或满意与进程有关事项的人
4. A layer of mortar upon which stones or bricks are laid.
   灰浆层一层铺放石头或砖的砂浆层