ornament：英 [ˈɔ:nəmənt] 美 [ˈɔ:rnəmənt] 装饰;装饰物;[乐]装饰音
decoration：英 [ˌdekəˈreɪʃn] 美 [ˌdɛkəˈreʃən] 装饰品;装饰，装潢;装饰图案，装饰风格;奖章
双语造句：
ornament：
I guessed he was the chief because he wore more gold ornaments than the others.
我估计他是酋长，因为他戴的金饰最多。
She wears a crystal ornament on her chest.
她的前胸戴了一个水晶饰品。
The flowers were put on the table for ornament.
花放在桌子上做装饰用。
The victorious leader was crowned with an ornament of leaves.
获胜的首领戴上了一顶以树叶做成的花冠。
I played with you all day long and made you my ornament.
我终日拨弄你，使你成了我增加光彩的装饰物。
decoration：
The decoration and furnishings had to be practical enough for a family home
房子的装潢和家具都必须很实用，适合家居生活。
The only wall decorations are candles and a single mirror
墙上唯一的装饰是几支蜡烛和一面镜子。
Festive paper decorations had been hung from the ceiling.
喜庆的彩纸已经挂在天花板上。
He was awarded several military decorations.
他被授予了多枚军功章。
With its simple decoration, the main bedroom is a peaceful haven.
主卧室装饰简单，像一处宁静的港湾。
标签：ornament,decoration,区别
