Erythrometer
[医] 红度计, 红细胞计数器
🗣️ 情景例句
There's nothing you can do about it.
你对此无能为力。
The leopard can never change its spots.
花豹永不能改变身上的斑点（指：本性难移）。
Then Von Frisch moved the dish to the east of the hive and waited for a marked bee to feed.
然后，冯·弗里施把碟子移到蜂箱的西边，等待有标记的蜜蜂来吃。