Tachometry
n. [测]转速测定(法),流速测定(法)
🗣️ 情景例句
Oh yes, yes. My husband's there now.
啊， 对 对。我丈夫现在就在那儿。
How are you feeling today?
你今天感觉怎么样？
You may have heard of Birth Control.
你们也许听说过控制人口出生的措施。