Pneumoderma.
[医] 皮下气肿
🗣️ 情景例句
Your letter filled me with great vitality.
读了你的信之后我感到充满活力。
Pain past is pleasure.
过去的痛苦即是快乐。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，