Sipos
abbr. semi-insulating polycrystalline silicon, semi-insulating poly-silicon 半绝缘多晶硅
🗣️ 情景例句
It's seventy-five cents for adults and thirty cents for children under twelve.
大人75美分，12岁以下的小孩30分。
What time?
什么时候？
Has our material been all right?
我们的原材料没问题吧？