Reta
abbr. 制冷工程师与技师协会（Refrigerating Engineers and Technicians Association）
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
The chemist discovered a new synthetic material.
化学家发现了新的复合物质。
Every day he made one of the smaller animals bring him something to eat.
每天他让一只小动物拿东西来给他吃。