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
at all the great places in the city.
去城市所有的好地方看看。
Don't mention it.
不用谢。
No, by air.
不，坐飞机去。