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
Pete Waters's farm, near Chesterton.
Pete Waters的农场 ，在Chesterton附近。
Where there are reeds, there is water.
有芦苇处必有水。
What does she have to do?
她得做什么？