Ferrofining
铁剂精制
🗣️ 情景例句
Years of work went into these pictures.
多年心血换来这些照片。
Health is not valued till sickness comes.
有病方知无病乐。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？