“实心的”造句

铁棍是实心的, 而管子是空心的.
A bar of iron is solid; a pipe is hollow.

铁条是实心的, 管子是空心的.
A iron bar is solid; a pipe is hollow.

最早的汽车轮胎是实心的.
The tires of the earliest cars were solid.

• #实心的