Hemotachometer
血流速度计
🗣️ 情景例句
What are you trying to tell me?
你想告诉我什么？
She's a sweet woman, don't you think so?
她是可爱的女人，你不觉得吗？
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。