英语脑筋急转弯 | White as Milk 2020年12月19日 英语文摘 微信关注:田间小站 Riddle: Marble walls as white as milk, lined with skin as soft as silk, in a fountain crystal clear, a golden apple will appear, there is no key to this stronghold, yet theives break in and steal the gold. What is it? Answer: An egg. 英语脑筋急转弯