Two substances, blood and water.

两种物质血液和水。

youdao

This mixture resolves into two substances.

这混合物会分解成两种物质。

youdao

So that means we're going to have two substances.

这意味着我们有两种物质。

youdao

Since then, scientists around the world have been working to identify substances gathered from Comet Wild-Two.

VOA: special.2009.09.30

Two substances, blood and water.

两种物质血液和水。

麻省理工公开课 - 热力学与动力学课程节选

While those two substances complement each other, Jarmusch, ever the hip mad scientist, throws together odd combinations of actors and singers.

NEWYORKER: Coffee and Cigarettes

At issue is whether absinthe needs to contain minimum levels of two substances - anethole and the chemical thujone, a toxin extracted from wormwood, which reputedly has mind-altering effects.

BBC: Europe

Two substances which are said to give users dangerous "legal highs" are to be made illegal class B drugs - with users facing up to five years in jail.

BBC: "Legal highs" mexxy and black mamba banned by government