Definition: hard and firm, without holes or spaces Level: B2
雨后，之前泥泞的小路变成了坚实的地面。
After the rain, the previously muddy path became ___solid ground.
我更喜欢实木家具而不是刨花板家具。
I prefer furniture made of ___solid wood rather than particle board.
登山者再次感到手下是坚实的岩石，心中充满感激。
The climber was grateful to feel ___solid rock under his hands again.
