Unsubstituted
未被取代的
🗣️ 情景例句
What are you up to?
你呢？你怎样？
Today we celebrate our day of independence.It's a national holiday.
今天我们庆祝我们的独立. 今天是国定假期。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。