Elinvar
n. 镍铬恒弹性钢
🔁 扩展释义
【化】 埃勒因瓦恒弹性镍铁合金
🗣️ 情景例句
Sorry to disturb you again.
抱歉， 又来打扰你。
No possession, but use, is the only riches.
真正的财富不是占有，而是使用。
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！