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
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
That's a misunderstanding .
那是个误会。
Do we need some more hot water?
我们还要些热开水吗？