exterior

Compared meaning: the outer surface of something (noun).

比较义项：物体的外部、外表（名词）。

• outside

  The everyday, informal word for the outer part of almost anything; often used with prepositions like 'on the outside' or as an adverb meaning 'outdoors'.

  outside 是日常口语中最常用的词，几乎可以指任何事物的外部；常与介词连用，如 on the outside，也常作副词表示“在户外”。

  The children love playing outside in the garden.

  孩子们喜欢在花园里到户外玩耍。

• exterior 本词

  A more formal word, typically used for the outer surface of buildings, vehicles or other solid structures, often in technical, architectural or descriptive contexts.

  exterior 是较为正式的词，通常用于建筑物、车辆等实体结构的外表面，常出现在技术性、建筑性或描述性的语境中。

  We painted the exterior of the house a bright blue color.

  我们把房子的外墙漆成了鲜艳的蓝色。

Outside and exterior both mean the outer surface of something, but differ in register. Outside is the everyday, informal word, used for almost anything, as in 'on the outside'. Exterior is more formal, typically used for buildings, vehicles, or other solid structures, in technical contexts.

两词都可以指物体的外部表面，但语域和搭配不同：outside 是日常口语中最常用的说法，几乎什么东西的外部都能用；exterior 更正式，常用于建筑物、车辆等具体实体的外表面，也可以指人的外在表现。