Haemacytometry
血细胞计数法
🗣️ 情景例句
When you start to work, I'll give you $ 2,500 a month.
开始上班时，给你每月2500美元。
She turns me off.
她使我厌烦。
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。