Hemotachometer
血流速度计
🗣️ 情景例句
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
The committee adjourned to a larger hall.
该委员会将会议移至大一些的会议厅举行。
The man who, in old age, can see his life in this way,
上了年纪的人这样看待生命，