Greenfields
(greenfield 的复数) adj. 未开发地区的；待开发地区的
🗣️ 情景例句
I need some help.
我需要帮助。
Please be serious for a minute, this is very important.
请严肃点，这件事很重要。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。