Selas furnace
[化] 西拉斯炉
🧩 词语组成解析
🗣️ 情景例句
I was wondering if you could help me. I'd like to know.
不知道你能否帮助我，我想知道。
What time does the plane take off?
飞机何时起飞呢？
How did the printing come out?
这种印刷结果怎样？