Magnetic flux density
[电] 磁通密度
🧩 词语组成解析
🗣️ 情景例句
Shantou is a boom town, it's a haven for the manufacturing industry.
汕头是一个新兴的城市，是制造业的港湾。
Soon learnt,soon forgotten.
学得快，忘得快。
A man who had broken his right leg was taken to hospital a few weeks before Christmas.
圣诞节前几周，某人摔断了右腿被送进医院。