Undemonstrable
a. 无法表明的, 不可论证的
✅ 同义词
🗣️ 情景例句
If I've ever been sure of anything, I'm sure of this; your team is going to lose the same game on Saturday.
这一次我十分肯定：你们队星期六的比赛会输。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
It looks very nice.
看起来很漂亮。