Viscorator
连续记录粘度计
🗣️ 情景例句
Your English is very good.
你的英语说得很好。
May I ask you a question?
我能问你个问题吗？
Like exercise books, rulers, pens, colour pencils, erasers and maps.
像练习本、格尺、钢笔、彩色铅笔、橡皮和地图等。