Heterogeneous x-rays
[电] 多色X射线
🧩 词语组成解析
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
Thank you.
谢谢 。
At night, all cats are grey.
猫在夜晚皆灰色（丑妍暗中难分辨）。
Then the Class 2 runner dropped his stick on the ground when he was passing it on to the fourth runner.
忽然2班的运动员在传棒给第四个运动员时，把棒弄掉到了地上。