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
Frankly,
坦白地说，
Yesterday was such a beautiful day we decided to go for a drive.
昨天是如此美好的一天，我们决定开车出去。
but she was fast asleep,
但她睡得很熟。