Paraboloidal mirror
[化] 抛物面镜
🧩 词语组成解析
抛物面的, 抛物线体
🗣️ 情景例句
Pleasant dreams.
祝你有个好梦。
They intend to stop all traffic through the ports.
他们预定关闭港口的全部交通。
Three months passed, and then one morning, Sam found his wallet outside his front door.
3个月过去了，后来在一天早晨，萨姆在自己的大门外发现了他的钱包。