cellar

Compared meaning: an underground storage room (noun).

比较义项：地下储藏室（名词）。

• basement

  Refers to the whole below-ground floor of a building, which may be finished and used as living or work space, not just for storage.

  指建筑物地面以下的整层楼，可能经过装修，用作居住或工作空间，而不仅仅是储藏用途。

  They turned the basement into a playroom for the kids.

  他们把地下室改造成了孩子们的游戏室。

• cellar 本词

  Suggests a small, plain underground room used mainly for storing things like food, wine or old furniture, often unfinished.

  指一个狭小、简陋的地下房间，主要用来存放食物、酒或旧家具等物品，通常没有装修。

  Grandpa keeps his homemade wine in the cellar under the kitchen.

  爷爷把自制的酒存放在厨房下面的地窖里。

Both mean a room below ground level, often used for storage. Basement refers to the whole below-ground floor, which may be finished as living or work space, not just storage. Cellar suggests a small, plain room used mainly for storing food or wine, often unfinished.

两词都指建筑物地面以下的房间，常用来存放杂物，但 basement 更强调整个地下楼层（有时可装修居住），cellar 则更强调专门用于储藏的地下空间，往往狭小、简陋，常见于英式英语中，如酒窖、菜窖。