invariable
adj
never changing; always the same; constant 永不变的; 始终如一的; 恒定的
an invariable pressure, temperature, amount 恒定的压力、 温度、 数量
a noun with an invariable plural 复数形式不变的名词
his invariable courtesy 他那一贯的谦恭有礼.
🎯 考研助记
in(否定)+variable(变化的)- 不变的
🗣️ 情景例句
I must have see you somewhere before.
我一定在哪里见过你。
He's still a boy after all.
他毕竟还只是个孩子。
I'm sorry. I didn't know you wanted it. What a shame!