Nonvariant
不变的, 无变量的, 恒定的
🗣️ 情景例句
John cannot get to the phone right now.
John现在没办法接电话。
Take it. Otherwise you can't go on the trip.
喝了它，不然你不能继续旅行了。
After that day they were separated, never to see each other again.
那日一别，他们再没重逢。