Hematocytometer
血细胞计数器
🗣️ 情景例句
You will never guess.
你绝对猜不到。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。
Yes, it's beautiful, isn't it?
是的，今天的天气真好！