Radiotoxin
n. 放射性毒素
🗣️ 情景例句
I received a letter from my parents this morning.
今天早上我收到父母一封信。
It was a terrible experience,and I won't forget it.
它是可怕的经验，我不会忘记它。
While we were waiting to land,
在我们等待降落时，