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
What's the nature of the problem?
是什么样的问题？
Few words, many deeds.
少说话，多做事。
There is a boy in the water.
河里面有个男孩。