Nonconstancy
[数]非恒
🗣️ 情景例句
That's quite a difference from the directions that Pete sent me.
这和Pete寄给我的路线指示完全不同。
In my opinion,that's an excellent idea.
按照我的意见,那是一个极好的想法。
Mars has an extraordinary fascination for would-be voyagers.
火星对未来的星际旅客来说有着特殊的魅力。