Joist steel
[化] 梁钢; 工字钢
🧩 词语组成解析
n. 托梁, 桁
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
How was your day?
今天好吗？
I'm afraid that the item isn't what we're looking for.
我恐怕这种产品不是我们所要找的。
The mower firmly refused to mow, so I decided to dismantle it.
修完后割草机还是纹丝不动。于是，我决定把它拆开。