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
And a ginger ale with lots of ice.
一份姜汁，加很多冰块。
According to the latest census,our population has increased.
根据最近的人口普查，我们的人口增加了。
They were expecting their sixth child and were faced with even more pressing economic problems.
第6个孩子即将问世，他们面临着更为严峻的经济问题。