external

1. 外部的;外面的;外来的
External is used to indicate that something is on the outside of a surface or body, or that it exists, happens, or comes from outside.

e.g. ...a much reduced heat loss through external walls.
大幅降低的外墙热损失
e.g. ...internal and external allergic reactions.
内外变态反应

2. 对外的;与外国有关的
External means involving or intended for foreign countries.

e.g. ...the commissioner for external affairs.
对外事务专员
e.g. ...Jamaica's external debt.
牙买加的外债

3. 外界的;外部的
External means happening or existing in the world in general and affecting you in some way.

e.g. ...a reaction to external events...
对外界事件的反应
e.g. Such events occur only when the external conditions are favorable.
这种事情只有在外部条件有利时才会发生。

4. （专家等）外来的，外聘的
External experts, for example external examiners, come into an organization from outside in order to do a particular job fairly and impartially, or to check that a particular job was done properly.

5. （药物）外用的
If medicine is for external use, it is intended to be used only on the outside of your body, and not to be eaten or drunk.

1. 外置式：在同样的配置下,内置式产品的价格较低,节约空间,多采用ide接口或scsi接口;外置式(external)刻录机价格相对昂贵,容易携带,散热性和密封性较好,采用scsi接口或并口.

2. external

2. [外]：发生于矢状切面的动作有弯曲(flexion)与伸直(extension). 发生于额切面的动作有外展(abduction)与内收(adduction). 发生于横切面的动作为旋转(rotation)的动作. 如肩关节向内(internal)或向外(external)旋转.

3. external

3. external：ext; 外部的