Quadrinomial
a. 四项式的\\nn. 四项式
🗣️ 情景例句
The Stewart family, of course.
当然是Stewart一家人。
We used to go to the movies about once a week.
我们过去常一个星期大约去看一次电影。
I asked a passenger if this was the Westhaven Express, but he had not even heard of it.
我问一位乘客，这是不是开往威斯特海温的那趟快车，他说从未听说过有这么一趟快车。