SECRETARY-GENERAL OFFICE秘书长办公室
Under Secretary-General联合国副秘书长
Vice Secretary-general副秘书长
Executive Secretary-general执行秘书长
UN Secretary-General联合国秘书长
Assistant Secretary-General[管理] 助理秘书长;副秘书长;详细翻译
OPEC Secretary-General石油输出国组织
N-COUNT（可数名词） The secretary-general of an international political organization is the person in charge of its administration. 秘书长
...the United Nations Secretary-General.
…联合国秘书长。