例句 /

A common ancient Jian is around 0.5 and 1.5 kg,with barycenter at the 2/3 length from tip to end.

A common ancient Jian is around 0.5 and 1.5 kg,with barycenter at the 2/3 length from tip to end.

大概齐说一下哦,一般的古剑一至三市斤左右不等,重心大致在从剑尖至尾三分之二处前后.