Constant quantity
恒量，常数
🧩 词语组成解析
🗣️ 情景例句
Did you know that the Empire State Building is short, when compared with many of the skyscrapers today?
你知道吗？帝国大厦如果和召集的许多摩天大厦相比其实并不高。
Michael immediately burst into tears.
麦克尔“哇”的一下子哭了出来。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。