Aerocasing
氰化钙液体氰化法, 钙盐氰化
🗣️ 情景例句
of forty-three years of on-the-job training.
关于我四十三年的工作经历。
I'm sleeping upstairs.
我在楼上睡觉。
The police were astounded when Mrs.Ramsay told them what she had done.
拉姆齐太太把她所做的事告诉了警察，警察听后大为吃惊。