fencing

Compared meaning: a barrier enclosing an area (noun).

比较义项：围栏、栅栏（n.）。

• fence

  The ordinary countable noun for one specific barrier enclosing an area; used with 'a' or 'the' when referring to a single fence.

  日常可数名词，指围出某片区域的一道具体的栏杆或栅栏，常与a或the连用，指某一道特定的围栏。

  We built a wooden fence around the backyard to keep the dog in.

  我们在后院围了一道木栅栏，把狗关在里面。

• fencing 本词

  Usually an uncountable noun for the material or overall barrier system used to build fences; common when talking about buying or installing it, rarely paired with 'a' for one fence.

  通常是不可数名词，指用来搭建围栏的材料或整体围栏系统，常用于谈论购买或安装围栏材料的语境，很少用a来指某一道具体的围栏。

  They installed new fencing around the garden last spring.

  去年春天，他们在花园周围安装了新的围栏材料。

Fence and fencing can both mean a barrier around an area, but fence is the ordinary countable noun for one barrier. Fencing is usually uncountable, meaning the material or whole barrier system, common when buying or installing it. Not compared: fencing meaning the sport.

两个词都可译为“围栏”，但用法不同：fence是可数名词，指围出某片区域的一道具体的栏杆或栅栏，是最常用的说法；fencing多为不可数名词，指搭建围栏所用的材料或整体围栏系统，常见于购买、安装等语境。fencing另有“击剑”这项运动的意思，这里不作比较。