Selas furnace
[化] 西拉斯炉
🧩 词语组成解析
🗣️ 情景例句
How much are the dues?
会费多少？
What's your plan for the summer holiday?
暑假计划干什么？
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。