Borazone
氮化硼半导体
🗣️ 情景例句
You don't need to call a plumber, I can fix the sink.
你不必请水管工人了，我会修水槽。
What now?
现在要怎样？
Oh, it's a short ruler. Who has a long one?
噢，这是把短尺。谁有长尺？