Xia
abbr. X 波段[频带]干扰仪天线（X-band Interferometer Antenna）
🗣️ 情景例句
Yes, this is my youngest son Robbie.
是的 这是我的小儿子Robbie。
When poverty comes in at the door, love flies out at the window.
贫穷进门来，爱情飞窗外。
Let us suppose that a child suddenly crosses the road in front of you.
让我们假设一个小孩子突然在你前面穿过马路。