Interservice
a. 军种间的\\n[计] 相互服务
🗣️ 情景例句
This couple treats their adopted child as their own.
这对夫妇把他们的养子视如己出。
Did you clean this yourself?
你自己亲自清理这个？
No, they aren't. They're their books.
不，不是我的。这些是他们的书。