Microradiogram
[医] 显微放射照片术
🗣️ 情景例句
Thanks, Mrs. Martinelli.
谢谢 ，Martinelli太太。
A present!
有礼物！
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，