- 相关词组
- weapons system武器系统;
- American education system美国教育体系
- active residential solar heating system能动式住宅太阳热取暖系统;
- extrapyramidal system锥体外系统;
- parasympathetic nervous system副交感神经系统;
- ergodic system埃尔过德系统;
- box system吊箱系统;
- loudspeaker system[电] 扬声系统;
- eutectic system共晶系统，低共熔体系;
- quadraphonic system四声道立体声系统;
- air supply system送风系统;
- accountability systemn.问责制;
- all outside air system全外部空气第系统;
- automatic control system自动控制系统;
- air to water system空气 水第系统;
- bulletin board system电子公告牌系统，电子布告栏系统;
- writing system写入系统;
- lens system透镜系统;
- administrative system[法]行政制度;保;
- accounting system会计制度;
- 今日热词
- 热门搜索
- Bluetooth n.蓝牙（一种无线传输技术）;
- income n.收入;所得 ;收益;
- diary n.日记，日志;日记簿;
- guidance n.指导;导航;
- across prep.穿过;横穿，横过;与…交叉;在…对面;adv.横过，越过;在对面;交叉;斜对面;
- xxxx [医]Four X syndrome,四X综合征;
- ever adv.在任何时候;曾经;一向，永远;不断地;究竟;
- gate valve 闸式阀，闸门阀;阀式管;
- telescope n.望远镜;v.叠缩;精简;
- egg n.鸡蛋，蛋;卵;<俚>家伙;
- trade n.贸易，交易;行业;职业，手艺;营业额;v.做生意，从事贸易;营业;交换;互相做;（在证券交易所）交易;
- DSA abbr.Defense Shipping Authority （北约）防务航运管理处;数字减影血管造影；供者特异性抗体；形稳阳极；数字血管减影；数字血管造影；数字减影术
