worry at

 
       
  • 一心想要克服

worry at的用法和樣例:

例句

  1. No good blue-emitting phosphorescent material yet exists, although major efforts are under way at numerous laboratories to remedy this situation.
    儘管許多實驗室極力要克服這個問題,不過目前仍然沒有好的藍色磷光材料。
今日熱詞
目錄 附錄 查詞歷史