?字UNICODE編碼U+4481,10進制: 17537,UTF-32: 00004481,UTF-8: E4 92 81。
?字位于中日韓統一表意文字擴充A區(CJK Unified Ideographs Extension A)。
a small boat connected to the back of a big boat; used to load the passengers, cargo or goods, warship, a kind of tools used to capsize