Invariableness
n. 不变, 不变性
🗣️ 情景例句
How did he get to be a department head so fast?
他怎么这么快就成为一个部门的主管？
He's absorbed in his book.
他全神贯注地读书。
The doctor's words made him feel comfortable.
医生的话让他感觉很舒服。