* 肚子上臍帶脫落的痕跡。臍帶是胎兒肚子中間連結母體胎盤以吸取營養的管子。 肚~。 * 螃蟹腹部下面的甲殼。 尖~(雄性)。團~(雌性)
abdominal area of crab; navel
c. 1200–221 BCE (Shang–Zhou; continues into the Warring States)
Inscriptions cast or engraved on ritual bronzes, especially prominent from the Western Zhou onward; a major source for early political, ritual, and social history.Wikipedia ->
c. 770–221 BCE (Chu, Spring & Autumn–Warring States)
A regional script tradition used in the state of Chu, best known from brush-written bamboo and silk manuscripts with distinctive local forms.Wikipedia ->
Standardized 221–206 BCE (Qin); developed earlier in Qin
The standardized seal script promulgated after Qin’s unification, based on earlier Qin seal forms and used as an empire-wide norm.Wikipedia ->