Polyanion
聚阴离子
🗣️ 情景例句
Better than that.
比那种事更值得高兴。
We're trying to plan our future.
我们正在试着计划我们的未来。
Then she touched me lightly on my arm and made me burst into laughter.
然后她轻轻地触摸我的手臂，使我哈哈大笑。