Hermetization
密封, 封闭
🗣️ 情景例句
We can have a birthday party for you, Carl,
我们可以给你举行生日派对 Carl。
Children are the parents's riches.
子女是父母之财富。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。