Refractometric
a. refractometer的变形
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
That's a misunderstanding .
那是个误会。
It is our satellite. It is quite near us in space.
它是我们的卫星。它离我们相当近，仅38万公里远。