Retroflection
n. 反曲, 翻转, 后屈
🗣️ 情景例句
Why do you want to resign your position as secretary?
你为什么想辞去秘书的职务？
Do you have an umbrella?
你有雨伞吗？
planes, or land vehicles----for it is something in between a boat and an aircraft.
飞机，或是陆上交通工具，因为它是介于船和飞机之间。