Subinvariant
次不变的
🗣️ 情景例句
If you want to make the intelligent choice, Trust me on this.
如果你想作出明知的抉择，那就相信我吧。
Discontent is the first step in progress.
不知足是前进中的第一步。
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。