rose scale

例句：

1. 1. The rose scales are a natural defense against insect damage.
   玫瑰刺是抵御昆虫侵害的自然防御。
2. 2. The gardener carefully removes the rose scales from the plants to prevent disease.
   园丁小心地从植物上去除玫瑰刺以防疾病。
3. 3. The rose scales on the petals are a unique feature of this species.
   花瓣上的玫瑰刺是这种物种的独特特征。