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1·The same minerals that occur in refractory inclusions are believed to be the earliest-formed substances to have condensed out of the solar nebula.

难熔的内含物中的那种矿物质，也被认为是最早形成的太阳星云凝结的物质。

2·Equally perplexing constituents of Allende are the refractory inclusions: irregular white masses that tend to be larger than chondrules.

阿连德陨石中同样令人困惑的成分是那些耐高温的内部物质：往往比陨石球粒要大的不规则白色块状物。

3·It also can be used as refractory materials.

也可以作为耐火材料之用。

4·Staring is one of the causes of refractory problems.

长期凝视是导致难治型眼病的主要原因 （Staring is one of the causes of refractory problems,这句话翻译不是很准确，请朋友们指正 ）。

5·Some refractory organics are toxic to aquatic life.

一些难降解有机物是有毒的水生生物。

6·The company now has a refractory metal processing equipment.

公司现在拥有难熔金属的加工设备。

7·Road is a refractory wound the earth, so life every step is dull pain.

路是大地一道难愈的伤痕，因此人生每一步都是隐隐的痛。

8·Disabling, refractory knee pain that meets both of the following criteria.

禁用，难治性膝关节疼痛，符合以下两个条件。

9·Because they are not metabolised, these molecules are referred to as refractory.

因为这些分子不能被代谢，所以被称为“难解质”。

10·Chemical compounds made binary elements are main body of refractory materials.

由两种元素生成的化合物是耐火材料的主体。

(1)refractory material耐火材料；耐热材料；难熔物质

(1)refractory brick耐火砖

(1)refractory metal难熔金属

(1)refractory lining耐火衬砌；耐火内衬；耐火材料

(1)refractory period不应期

(1)castable refractoryn. 耐火浆料；浇灌耐火材料