Tetraphosphate
四磷酸盐
🗣️ 情景例句
But this is what you've been working for all these years.
但你多年来的工作 为的就是这个呀。
Which train do I take to Philadelphia?
去费城乘哪趟车？
It's a pleasure to meet you. Can I take those boxes for you?
很高兴认识您。我能帮您拿那些箱子吗？