Ferrimanganic
铁锰(根)(指兼含三价铁及三价锰)
🗣️ 情景例句
I was laid off.
我下岗了。
Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
Could you help me please, girls? I want to put these things in the car.
姑娘们，能帮帮我吗？我想把这些东西放到车里面。