Dispersive medioum
[电] 色散介质
🧩 词语组成解析
a. 分散的
🗣️ 情景例句
He was my roommate in college.
他是我大学时的室友。
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？