Chromocytometer
血红蛋白计
🗣️ 情景例句
Well, I only like to do some jogging in the fresh morning air.
是的，我仅喜欢在早晨清新的空气里慢跑。
I will come right now.
我会马上回来。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。