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
I'm not doing anything.
我没有要做什么。
Mr. Green is a member of the faculty.
格林先生是大学教员。
However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate,
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，