Bortam
[冶]硅硼钛铝锰合金
🗣️ 情景例句
The club will now hear this member's proposal.
俱乐部将听取这个成员的揭底。
I could only guess the number of people in the room.
我无法正确地猜测房间里面有多少人。
Yes?
噢？