"长出了花朵"的英文表达是 "bloomed"。
"Bloom" 是一个动词，意思是指植物开花。它来自中世纪英语 "blome"，最初指的是花朵或花冠，后来引申为指植物开花的动作。
下面是一些使用 "bloom" 的例句：
The cherry blossoms have bloomed, and the streets are covered in pink petals. (樱花开了，街道上遍布着粉色的花瓣。)
The flowers in my garden are beginning to bloom. (我花园里的花朵开始开花了。)
The roses in my backyard have bloomed and are now covered in beautiful red flowers. (我后院里的玫瑰花开了，现在满是漂亮的红色花朵。)