Acidometer
[化] 酸度计
🗣️ 情景例句
Let's plan an after-graduation trip!
让我们计划一次毕业后的旅行！
It's a deal!
一言为定！
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。