Inservice
a. 在使用中的；在职的
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
And what's that?
还有那是什么？
and that fool, Horst, aimed a fire extinguisher at me.
但那个傻瓜霍斯特把灭火器对准了我。