Acieration
金属镀铁硬化
🗣️ 情景例句
Is it too late to cancel our plans?
现在取消我们的计划是否太迟了？
The best physicians are Dr. Diet, Dr. Quiet,and Dr. Merryman.
节食博士，静心博士，欢喜博士，三者都是最好的医师；饮食少，休息好，快乐多是却病延年之方。
and he had seen there evidence enough to overthrow Aristotle and Ptolemy together.
观察到的论据足以把亚里士多德和托勒密一起推翻。