Quadratic approximation
[计] 二次近似
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
approximation
[[əˌprɔksi'meiʃən]]
n. 接近, 近似值\\n[医] 接近; 近似
🗣️ 情景例句
but I have some of the pictures.
但我手头有一些照片。
I was in the hospital for several weeks.
我在医院里住了几个星期了。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。