Most recognizable of the ship designs are the ship's smoke stacks, but the fourth stack was actually just artistic in nature and served no functional purpose.
烟囱是船舶最容易辨认的设计，但其实，第四个烟囱只有装饰美化作用，并没有任何的实际功能。
2
You are a human smokestack, aren't you?
你不成了人体烟囱了吗？
3
The actual height above the ground of the top of a factory smokestack (chimney).