Selas furnace
[化] 西拉斯炉
🧩 词语组成解析
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
Your account is far from true.
你说的根本不是事实。
There is a bottle on the table.
桌子上有个瓶子。