Haematinometer
血红素计
🗣️ 情景例句
We have vegetables to prepare.
我们还得准备蔬菜。
What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。