Background radiation
[化] 本底辐射\\n[医] 本底放射, 本底辐射
🧩 词语组成解析
🗣️ 情景例句
You said you have family in New York.
你说你在纽约有亲人。
I finish working at 5:45 p.m.
我在下午5:45点完成工作。
After having been wounded towards the end of the war, he had been sent to hospital and was separated from his unit.
战争即将结束时，他负伤被送进医院，并与部队失去联系。