1ADJ [usually ADJ n]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. 外部的;外面的;外来的
...a much reduced heat loss through external walls.
大幅降低的外墙热损失
...internal and external allergic reactions.
内外变态反应
externally
Vitamins can be applied externally to the skin.
维生素可以外用于皮肤。
...externally imposed conditions.
外部施加的条件
2ADJ [ADJ n]对外的;与外国有关的External means involving or intended for foreign countries. 对外的;与外国有关的
...protecting the value of the mark both internally and externally.
维持马克在国内外的币值
3ADJ [ADJ n]外界的;外部的External means happening or existing in the world in general and affecting you in some way. 外界的;外部的
...a reaction to external events.
对外界事件的反应
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。
4ADJ [ADJ n](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. (专家等)外来的,外聘的 [mainly British]
externally
There must be externally moderated tests.
一定要有外聘人员负责审核评分的考试。
5PHRASE (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. (药物)外用的