Pneumatic bone
[医] 含气骨
🧩 词语组成解析
bone
[bon]
n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺，剔骨头;剔去…的骨;
vi. 苦学;专心致志;
🗣️ 情景例句
Now, to check the list of things we need for the camping trip.
现在， 让我们检查一下露营旅行所需物品的清单吧。
I'm afraid you have the wrong number.
恐怕你打错号码了。
As long ago as the fourteenth century,
早在14世纪，