Channel steel
[化] 槽钢
🧩 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
and reading to them.
为他们朗读。
He is rich enough who has true friends.
有真朋友的人是富翁。
NASA is now going to put the telescope right,
国家航天局准备纠正这一错误，