Bicarbonateion
重碳酸盐离子
🗣️ 情景例句
Have you ever been to Niagra Falls?
你去过尼亚拉加瀑布吗？
I remember the girl whose father goes there every summer.
我记得那个女孩的父亲每年夏天都去那里。
I'm not sure. I ought to do some studying, as I've got masses of work to do, but I think I'll be too tired. Maybe I'll just watch the news on television and go to bed early.
还不清楚。我有大量的作业要做，按理我应该学习，但是我想这样一来我会很累的。我可能会看看电视新闻，然后早点上床睡觉。