Photohematachometer
[醫] 血流速度照相器
?? 醫學釋義
血流速度照像器，照像血流速度計
??? 情景例句
Have you ever done any work in this field?
你曾經干過這一行嗎？
What shall I send him for his Christmas?
我要送他什么東西作為圣誕禮物？
I'd like you to meat Dr Zhang.
我想讓你見見張先生。