rosette pore

例句：

1. 1. The delicate rose thorns are a symbol of love and beauty.
   这些精致的玫瑰刺是爱与美丽的象征。
2. 2.The rose thorn orifice is a small opening on the stem of a rose that allows air to pass through.
   玫瑰茎上的小开口是玫瑰花的气孔，允许空气通过。
3. 3.During the winter months, the rose thorn orifice can be used to protect the plant from frost damage.
   在冬季，玫瑰刺孔可以用来保护植物免受霜冻伤害。