Sintropac
加銅鐵粉; 鐵銅混合粉末
??? 情景例句
I've been friendly with the Stewart family
我和Stewart家有交情
Peace on earth and good will towards men.
愿世界得太平，人間持善意。
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英語。