Aerocasing
氰化钙液体氰化法, 钙盐氰化
🗣️ 情景例句
Please keep two for us to pick up.
请给我保留两张。
There's just one last favor I need to ask of you.
我需要问你的最后一件好事只有一个。
He saved money for years and in 1958 he bought a small workshop of his own.
他靠多年积蓄，于1958年买下了自己的一个小铺子。