Tachometry
n. [测]转速测定(法),流速测定(法)
🗣️ 情景例句
Are there any parties going on tonight?
今晚有聚会吗？
What time is it?
几点钟了？
Not far. My house is about twenty minutes by bike.
离的不远，骑自行车大约20分钟的路程。