-
connected with or located on the outside of something/somebody 外部的；外面的 the external walls of the building 建筑物的外墙 an external hard drive 他难以描述他们的音乐风格。 The lotion is for external use only (= only for the skin and must not be eaten). 此洗剂仅限外用。
-
happening or coming from outside a place, an organization, your particular situation, etc. 外界的；外来的；在外的 A combination of internal and external factors caused the company to close down. 内外因结合导致了公司的倒闭。 external pressures on the economy 外部因素对经济的压力 our perception of the external world 我们对外部世界的感知 Many external influences can affect your state of mind. 许多外在因素都可能影响人的心情。 - external to somebody/something
The information has come from reliable sources external to the government. 这些信息来自政府以外的可靠来源。
coming from or arranged by somebody from outside a school, a university or an organization 来自（学校或机构）以外的；外来的 connected with foreign countries 与外国有关的；对外的 opposite internal
Word Originlate Middle English: from medieval Latin, from Latin exter ‘outer’.