Pneumohypoderma
皮下气肿
🗣️ 情景例句
In China, Spring Festival is the biggest holiday of the year, but in the west Christmas is the biggest.
中国最大的节日是春节，西方最大的节日是圣诞节。
Necessity is the mother of invention.
穷则变，变则通。
Can you spell it, please?
请把它拼出来好吗？