Radiations
(radiation 的复数) n. 辐射\\n[化] 放射
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
I'm sleeping upstairs.
我在楼上睡觉。
A gifted American psychologist has said,'Worry is a spasm of the emotion;
烦恼是感情的发作，