Polarmolecule
[机] 极性分子
🗣️ 情景例句
That isn't necessary.
这倒不必。
Is the distribution of wealth uneven in your country?
在你们国家财富分配得均匀吗？
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。