worry at

英 美
  • 一心想要克服
  • at prep.在;向,朝;处于…状态;在…远;(用于速度、比率等)以,达
  • worry vt.撕咬;使烦恼;使焦虑vi.担心;发愁n.担心;烦恼;忧虑
    1. No good blue-emitting phosphorescent material yet exists, although major efforts are under way at numerous laboratories to remedy this situation.
      尽管许多实验室极力要克服这个问题,不过目前仍然没有好的蓝色磷光材料。