Quadriad
n. 四个一组(或一套、一系列)
🗣️ 情景例句
The book is worth reading.
这本书值得一读。
They've promised to keep both we quality and the quantity of the 300 bicycles in conformity with the contract stipulations.
他们已承诺那300辆自行车的质量和数量一定与合同规定相吻合。
Is there anything I can do for you?
我能为你做点什么吗？