Rhysimeter
流体流速测定计
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
对不起， 今晚我恐怕没空。
This country is localed in the northern hemisphere.
这个国家位于北半球。
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。