形容词

副词

服饰

1. 单色的；素色的；无花纹（或图案、字迹）的
A plain object, surface, or fabric is entirely in one colour and has no pattern, design, or writing on it.

2. 朴素的；简朴的
Something that is plain is very simple in style.

1. a basic knitting stitch

Synonym: knitknit stitchplain stitch

2. extensive tract of level open land

e.g. they emerged from the woods onto a vast open plain
he longed for the fields of his youth

Synonym: fieldchampaign