Indefinability
[计] 不确定性, 难确定性
🗣️ 情景例句
Today I'm so happy; I found a new boyfriend.
今天我很高兴，我又找了个新男朋友。
I ought to keep cool.
我应该保持冷静。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，