Nonvariant
不变的, 无变量的, 恒定的
🗣️ 情景例句
What time do you usually have supper?
你通常几点吃晚餐？
Please be reasonable.
请别做无理的要求。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，