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
Have they made it up yet?
他们和好了吗？
Nothing venture, nothing have.
不入虎穴，焉得虎子。
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。