abbr.
oculus sinister[拉丁语、处方用语]左眼
Old Saxon 古撒克逊语
Old School
Old Series(书刊等的)旧辑
Old Style
operating system 【计算机】操作系统
ordinary seaman
ordnance survey
out of stock 脱销
outsize
overlapping sound 内心独白
outlet sample 发行小样
old saxon phr. 古撒克逊语
of old 古时候,从前,昔日,由来已久
as of old 一如既往,照旧
the old n.老弱病残
Old Style 西洋旧历
old style <英>古体字,老式的东西,[天](西洋)旧历
old school n. 守旧派
of the old school 老派的 He was a gentleman of the old school. 他是位老派的绅士。
the old school 保守派
old style font phr. 西洋旧历,儒略历