The mean; that which comes between or in the middle.

中庸；中间物。

An agency, means or instrument, usu. of something specified.

媒介物；传导体；手段。

The space or substance in which bodies exist or move.

(物体赖以生存或活动的)物质；环境。

A person who claims to deliver messages from the spirit world to earth.

通灵人；灵媒；巫。

The liquid with which dry paints are mixed in preparing them for use.

颜料溶剂。

The material used to produce a work of art.

美术材料。

The nutritive substance for the cultivation of microorganisms.

【生物】培养基(用以培养微生物的营养物质)。

Having a middle position; halfway between two things.

居中的；中间的。