transparent  
adjective uk/trænˈspær.ənt/ us/trænˈsper.ənt/
  (SEE THROUGH)      
 B2 透明的
If a substance or object is transparent, you can see through it very clearly.
  Grow the bulbs in a transparent plastic box, so the children can see the roots growing. 把球茎种在透明的塑料盒里,这样孩子们就能看到根的生长。 
 Her blouse was practically transparent! 她的衬衫几乎是透明的! 
 Compare: opaquetranslucent 
 - More examples
 - The architects have made imaginative use of glass and transparent plastic.
 - Frogs' eggs are covered in a sort of transparent jelly.
 - The cornea is the transparent membrane that covers the front of the eye.
 
  (OBVIOUS)      
  清楚易懂的;显而易见的
clear and easy to understand or recognize
  I think we should try to make the instructions more transparent. 我觉得我们应该尽可能使指令更清楚易懂些。 
   (WITHOUT SECRETS)      
 公开和诚实的,无秘密的
open and honest, without secrets
  We are committed to being totally transparent about our charges. 我们致力于让收费完全透明。