H rays
[医] 氢核束
🧩 词语组成解析
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
When does it get there?
什么时候到那里？
Every day he leaves his home and walks to the lift.
每天他离家后就步行去乘电梯。