a turquoise brooch的用法和样例：
- A girl in a bikini stood next to a turquoise sea.
- Most scarabs were made of steatite which was then covered with a turquoise coloured glaze.
- The Pleiadians also had blue blood, which caused their pale skin to have a turquoise sheen.
- One is a volcanic mountain, with a turquoise lake in the caldera and forests on its flanks.
- My aunt give me one of her brooch as a keepsake.