sub-region 基本例句 n.子地区 In1999, the Chinese government sent delegations to attend the sub-region minister-level meetings in Japan and Laos to continue to promote enthusiastic cooperation in drug control in the sub-region. 1999年，中国政府又派代表团分别出席在日本和老挝召开的次区域部长级会议，继续积极推动次区域禁毒合作。 iciba