无色

This article mainly reviewed the discovery and the research course of natural phosphine ,namely,how phosphine coming into being,and whether phosphine being universal existed gas in natural environment such as in aerosphere,biosphere,hydrosphere.

磷化氢是剧毒的、十分活泼的无色气体，具有强的还原性，在光照、空气等作用下，极易转化为磷的其它形态。

A colorless flammable liquid alkane derived from petroleum and used as a solvent .

一种无色、易燃烧的液体，从石油中提取，用作溶剂。

A flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals.

一种无色易燃的气态烯烃，从石油和天然气中提取，用于制造其他许多化学品。

Alkene can turn bromine from brown to colorless.

烯烃可把溴由棕色变成无色。

The ordinary allotrope, called white phosphorus, is a poisonous, colourless, semitransparent, soft, waxy solid that glow s in the dark and combusts spontaneously in air, producing dense white fumes of the oxide P4O10; it is used as a rodenticide and a military smokescreen.

其普通的同素异形现象为「白磷」，是无色有毒、半透明和柔软的蜡状固体，在黑暗中可发光，暴置于空气中可自燃，形成白色浓烟状的氧化物；用于灭鼠剂和军用烟幕。

The ordinary allotrope, called white phosphorus, is a poisonous, colourless, semitransparent, soft, waxy solid that glows in the dark and combusts spontaneously in air, producing dense white fumes of the oxide P4O10; it is used as a rodenticide and a military smokescreen.

其普通的同素异形现象为「白磷」，是无色有毒、半透明和柔软的蜡状固体，在黑暗中可发光，暴置于空气中可自燃，形成白色浓烟状的氧化物；用于灭鼠剂和军用烟幕。

This allyl type of resin is a highly transparent , colourless material

这种烯丙基型的树脂是一种高度透明的、无色材料。

This allyl type resin is a highly transparent, colourless material.

这种烯丙基型的树脂是一种高度透明的、无色材料。

A colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds.

乙酸的固体氨化物，无色，用作溶剂及合成有机化合物。

A highly explosive mixture of ammonium nitrate and trinitrotoluene.

一种无色或黄色的碘化氢水溶液。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。