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

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。

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。