Unboundedness
无界性
🗣️ 情景例句
I can get this cheaper at other places.
这样东西我在别的地方可以买到更便宜的。
Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时，今天我很荣辛地向你们展示它。
A shoal of fish will do this.
鱼群也反射声音。