Picrochromite
镁铬矿
🗣️ 情景例句
What is your greatest strength?
你的最大长处是什么？
Education for women has improved in leaps and bounds.
妇女教育十分迅速地得到了改善。
Some friends of my family had this irritating habit.
我家有几个朋友就有这有令人恼火的习惯。