Cfr engine
[化] (石油)CFR爆震试验机
🧩 词语组成解析
abbr. 运费在内条件（Cost and Freight）；未来研究中心（Center for Future Research）
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Nothing for nothing and very little for a half penny.
一分钱，一分货。
and found our then prevailing primitive state completely uninteresting to their own advanced knowledge.
并且发现我们地球当时普遍存在着的原始状态同他们先进的知识相比是索然无味的。