Radiac test equipment
[电] 核能幅射的测量, 侦检和识别测试装
🧩 词语组成解析
n. [核]辐射测量器, 辐射计
🗣️ 情景例句
I must prepare my lessons.
我必须准备工课。
Good evening,Mrs. Brown.
晚上好，布朗夫人。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。