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
Have you ever been to Niagra Falls?
你去过尼亚拉加瀑布吗?
Friends are like fiddle-strings,they must not be screwed too tight.
朋友有如琴弦,不能上的太紧。
Would you like to see the factory, I'd like to show you around.