Known quantity
[计] 已知量
🧩 词语组成解析
known
[nəun]
adj. 大家知道的;已知的;知名的;向某人作自我介绍;
v. 知道( know的过去分词 );看到过;听到过;经历过;
🗣️ 情景例句
But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子，在你做出决定之前请一定要认真考虑我的话。
Michael must hold on to the driver of the motorcycle.
米高必须紧紧抓住机车的骑士。
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。