brim

Compared meaning: the edge of a container (noun).

比较义项：容器的边缘（名词）。

• lip

  Lip highlights the shaped edge of a container designed for pouring smoothly, as on jugs, pans, and measuring cups; less common for edges without a pouring function.

  lip 强调容器上便于顺畅倒出液体而设计的边缘形状，常见于水壶、平底锅和量杯；较少用于没有倒液功能的边缘。

  The measuring cup has a lip on one side, so you can pour without spilling.

  这个量杯一侧有一个便于倒液的边缘，倒的时候不会洒出来。

• rim

  Rim is the general, everyday word for the outer edge of round objects like cups, glasses, bowls, and wheels, with no link to pouring or capacity.

  rim 是最通用、日常的说法，指杯子、玻璃杯、碗、轮子等圆形物体的外缘，与倒液或容量无关。

  Coffee stains had dried around the rim of his favorite mug.

  他最喜欢的马克杯边缘上留有干涸的咖啡渍。

• brim 本词

  Brim marks the edge as the point a container is filled to; it appears mainly in the set phrase 'to the brim' describing something filled to full capacity.

  brim 强调边缘是容器被装满时到达的位置，主要出现在「to the brim」这一固定搭配中，表示容量已满。

  She carried the bowl of soup, filled right to the brim, without spilling a drop.

  她端着那碗汤，汤几乎装满到碗边，一滴也没洒。

Lip, rim, and brim can all name the edge of a container. Lip means the edge shaped for pouring, as on a jug. Rim is the general word for a round edge, like a cup or bowl. Brim marks the edge as a fill level.

这三个词都可以指容器或圆形物体的边缘，但侧重点不同：lip 强调便于倒液的边缘形状，rim 是最通用、最常见的说法，brim 则强调装满到边缘的容量概念，常见于「to the brim」这一固定搭配。这里不比较 lip 表示「嘴唇」的义项。