Definition: If something is clear, you can see through it. Level: A2
这个瓶子是用透明玻璃制成的。
The bottle is made of ___clear glass.
湖水如此清澈，以至于你能看到底部。
The water in the lake is so ___clear that you can see the bottom.
我喜欢在那个湖里游泳，因为湖水非常清澈。
I love swimming in that lake because the water is very ___clear.
