Semifield
半视场
🗣️ 情景例句
It's important for you to keep a cool head at this moment.
这时候保持头脑冷静是很重要的。
Could you give us detailed descriptions of the capabilities of your product?
请你把你们产品的性能给我们详细说明一下好吗？
What does that do?
这有什么用处呢？