什么是 sitting?The act or position of one that sits.A period during which one is seated and occupied with a single activity, such as posing for a portrait or reading a book.A session, as of a legislature or court.An act, condition, or period of brooding on eggs by a bird; incubation.The number of eggs under a brooding bird; a clutch.Incubating a nest of eggs: a sitting hen. Occupying an official position; incumbent.Of or for sitting: a sitting posture; a sitting area in a bus station. Done or executed while sitting.