Invar steel
[机] 恒范钢
🧩 词语组成解析
n. 不变钢\\n[化] 殷钢; 不胀钢; 因瓦合金
steel
[stil]
n. 钢，钢铁;钢制品;兵器;钢铁工业;
vt. 包上或镀上钢;使坚定;
adj. 钢制的;钢铁业的;坚强的;[色彩]青灰色的;
🗣️ 情景例句
Sorry, but she is with someone right now.
抱歉，她正在会客。
That's very nice of you, but I really can't.
谢谢你的好意，但是我实在不能再呆了。
We couldn't get across the river.
我们过不了河。