Aerocasing
氰化钙液体氰化法, 钙盐氰化
🗣️ 情景例句
Well, I don't think it's anything serious.
嗯，我想没有什么严重的。
I'm sorry, but I didn't catch what you said.
对不起，我没有听明白你的话。
Later we learnt that there was a very important person on board.
后来我们才得知，飞机上坐了一位非常重要的人物。