Sprayograph
喷雾分散度测定仪, 喷雾质量测定仪
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
Fine.
好。
Mum, this is my teacher, Miss Gao.
妈妈，这位是我的老师，高小姐。