Trisalyt
氰化钠氰化锌与亚硫酸氢钠的混合物
🗣️ 情景例句
Who is it?
谁呀
Is your factory any different from other plastics factories?
你们工厂和其他塑胶工厂有何差别呢？
Yes, I'm afraid you're right. I'll go tomorrow afternoon.
恐怕你说得对。我明天下午就去。