Periphery seal
[医] 周围封闭
🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
She's so cute.
这只狗真可爱。
How much do I owe you?
我欠你多少钱？
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。