Mandarin dictionary: lack of oil and water lubrication and not smooth. If you stay in an air-conditioned room for a long time, your skin will be dry easily.
Dry sentence: that dead leaf is very similar to the fallen leaves of the old ginkgo tree in the garden, but it is wider and semi-fan-shaped. The thick green in summer has long been dissipated by the autumn wind, and it is a dry light brown that gives birth to the disappointment that time is fleeting.
Idioms related to dryness: blind wind and dry rain, clean, short-thinking, difficult and obscure, hard-working, shy, shy, shy, shy.