Oleorefractometer
油折射计
🗣️ 情景例句
They had a special on frozen fish down at the supermarket.
超级市场 冷冻鱼特价。
Would you help me lift this heavy box?
你将帮助我提起这个重盒子吗？
Thanks for the party last Sunday. I enjoyed it very much.
感谢你上个星期天的聚会。我非常快乐。