Undemonstrable
a. 无法表明的, 不可论证的
✅ 同义词
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
They fought for the sake of their country.
他们为国而战。
Can we substitute the J-123 for the J113?
以J-123来替代J-113，可以吗？