Boiler steel
[化] 锅炉钢
🧩 词语组成解析
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
it takes a little bit of money to run a campaign.
竞选活动需要花一些钱。
She is timid and completely at a loss what to do.
她羞臊得不知所措。
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。