Balco
巴尔可镍铁合金
🗣️ 情景例句
I'd like to give thanks for Grandpa coming to live with us.
我感谢爷爷到这儿和我们一起生活。
We had a good time.
我们玩的很开心。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。