Bortam
[冶]硅硼钛铝锰合金
🗣️ 情景例句
I know. I know.
我知道。我知道。
Courage and resolution are the spirit and soul of virtue.
勇敢和决心是美德的灵魂。
No, thanks. I've had enough.
不啦，谢谢。我已经吃饱了。