博物馆的展柜里陈列着一把精美的阿拉伯弯刀。

An ornate Arabian ___scimitar is displayed in the museum's glass case.

这把装饰性的钥匙有着弯月般的形状，就像一把精美的短弯刀。

The decorative key has a crescent shape, resembling an ornate ___scimitar.