Pyr
[医][=person-year rad]个人年受照射拉德
🗣️ 情景例句
What subject did you major in university?
你在大学主修的科目是什么？
To jump into the pool
跃入游泳池中
In that case, we'd like cash on receipt of invoice.
这样的话，您在收到帐单时请付现。