Laticometer
胶乳比重计
🗣️ 情景例句
Are there any sports clubs on campus?
校园中有什么体育活动俱乐部吗？
How far is it to the university?
它离大学多远？
Friday, Saturday and Sunday in the country!Aren't you lucky!
星期五、星期六和星期日在乡下过！你们真幸运啊！