Pneumatization
n. [医](骨或其他组织中的)气腔形成
🗣️ 情景例句
You're right, Robbie.
你说得对 ，Robbie。
Suggestions on packing are greatly appreciated.
我们非常欢迎大家对包装方面提出建议。
'Jumbo must weigh a few tons,' said a policeman afterwards, 'so it was fortunate that we didn't have to carry him.
“江伯一定有好几吨重，”一个警察事后这样说，“值得庆幸的是它没让我们抬它走。