Etf
abbr. 交易型开放式指数基金（Exchange Traded Fund）；发动机试验设备（Engine Test Facilities）
🗣️ 情景例句
I can't wait to get back home and see everyone again.
我迫不及待地想回国看看。
I'm feeling rather blue.
我觉得有些沮丧。
Victorian parents believed that they kept their dignity by retreating behind an unreasoning authoritarian attitude;
维多利业时代的父母认为，他们可以靠无理的权威气派来维护自己的尊严，