Pyr
[医][=person-year rad]个人年受照射拉德
🗣️ 情景例句
International travel involves a lot of waiting around in airports.
经常在机场等候是环球旅行的一部分。
Do you remember the boy whose aunt is an actress.
你是否记得那男孩的姑妈是演员？
'And how can you explain that?' she asked.
“那么你对那又作何解释呢？”她问。