Coelinvar
柯艾里伐合金（一种恒弹性系数的镍、钴、铁、铬磁性材料）
🗣️ 情景例句
I'm a foreign student, and I'd like to make some new friends.
我是个外国学生， 我想交几个新朋友。
Until next weekend,if that's OK.
如果行的话，住到下个周末。
Though he owned a large car,
尽管他有一辆豪华小轿车，