Cementation stell
[建] 渗碳钢
🧩 词语组成解析
n. 水泥接合, 黏结, 胶结\\n[医] 粘固[作用]
(牲畜的)保护围场
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
Love not at the first look.
切莫一见钟情。
When will the train leave?
火车什么时候开？