Onerva奥内尔瓦onen.一；一个；一体adj.一个的；某一个的；唯一的；同一的pron.任何人；某人One lung ventilation单肺通气one-way encryption单相密码one-coat spreading一次性摊铺One lock and one key一锁一钥匙one-way surge tank单向塔One Man in That Line那一排里唯一的男人one- chip computer单片机one-hour apparatus一小时氧气呼吸器one-time operation一次有效利用one-piece core box整体芯盒