solid door

例句：

1. 1.The building is made of solid bricks.
   这座建筑是用实心砖砌成的。
2. 2.The car is solidly built and has good handling.
   这辆车结实地建造，操控性好。
3. 3. The tree is solid and will not easily break.
   这棵树很结实，不容易折断。