A lead byte specifies that it and the following trail byte comprise a single 2-byte-wide character.

前导字节指定由它和后面的“尾字节”构成单个双字节宽字符。

youdao

A lead byte specifies that it and the following trail byte comprise a single 2-byte-wide character.

前导字节指定由它和后面的“尾字节”构成单个双字节宽字符。

youdao