Mechanical refrigeration
[机] 机械冷冻
🧩 词语组成解析
refrigeration
[riˌfridʒə'reiʃən]
n. 冷藏，冷冻;
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
Please give me your frank opinion.
请给我你坦率的意见。
He wrote books about communism. He said that all communists should help each other.
他写了不少关于共产主义的著作。他说所有的共产党人都应该互相帮助。