Aerocasing
氰化钙液体氰化法, 钙盐氰化
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
He is never alone that is in the company of noble thoughts.
思想崇高者，绝不会孤独。
When Harry put on his act of being mildly annoyed, the assistant promised to order some for him.
哈里装出不高兴的样子时，女售货员答应为他定货。