gear

Compared meaning: equipment needed for an activity (noun).

比较义项：从事某项活动所需的装备、用具（名词）。

• gear 本词

  A neutral, very common word for the equipment or tools needed for an activity, used as an uncountable set with no hint of clutter or excess.

  中性且非常常用的词，泛指某项活动所需的装备或工具，作不可数集合使用，不含杂乱、繁多的意味。

  He packed his camping gear into the back of the car.

  他把露营装备装进了车的后备箱。

• paraphernalia

  Refers to a large, often messy or miscellaneous collection of objects for an activity; slightly more formal or wry in tone, suggesting more items than strictly needed.

  指为某项活动准备的一大堆、常显得杂乱或五花八门的物品，语气稍显正式或带点调侃，暗示物品数量可能超出实际所需。

  The garage was full of camping paraphernalia like tents and stoves.

  车库里堆满了帐篷、炉具之类的露营用具。

Gear and paraphernalia both mean equipment needed for an activity, but differ in tone. Gear is neutral and common, a general set of necessary equipment. Paraphernalia suggests a large, messy or varied collection of items, sounding more formal. Gear meaning wheel isn't compared.

两个词在这个意义上都指某项活动所需的装备或用具，但语气和数量感不同：gear是中性常用词，泛指一整套必要装备；paraphernalia则强调物品数量多、种类杂，语气略显正式，有时带点调侃意味。这里不比较gear的另一义项“齿轮”。