质的英文怎么说

质的英文：
hostage
substance
nature
quality

参考例句：

• To cross-examine both parties
  质讯两造

• Homogenized fresh milk
  均质鲜奶

• a herbaceous root [ stem ]
  草质根[茎]

• The mass-energy equivalence has been amply /confirm/ied.
  质与能的相当性已被充分地证实。

• the sanguine [ phlegmatic,choleric,melancholic ] temperament
  多血[粘液,胆汁,忧郁]质

• To destroy or remove the myelin sheath of(a nerve fiber,as through disease.
  失去髓磷质(通过疾病等)破坏或移走(神经纤维)鞘中的髓磷质

• It is easier to say that the equivalence of mass and energy is an experimental fact
  说质能等效性是实验事实，那是毫不费力的。

• Sour preserved fruit made by our factory has the effect of promoting the production of body fluid and relieving thirst.
  本厂生产的酸质蜜饯具有生津止渴的功效。

• Crystalloid:a substance that can be crystallized.
  类晶质:一种能够被晶体化的物质.

• Combustion Mechanisms of Hetero-geneous Solid Propellants; Final rept. 1 Mar 1995-1 Jun 1999
  非均质固体发射药的燃烧机理/最终报告

hostage是什么意思：
n. 人质，抵押品

• Plans to spring the hostages have succeeded.
  营救人质的计划成功了。

• The guerrillas threatened to kill their hostages.
  这些游击队员威胁要杀死人质。

• The hostages were freed in the commando raid.
  在突击队的突袭行动中，人质获释。

substance是什么意思：
n. 物质；实质；主旨；资产

• Concentration of a substance in solution or the strength of such a substance determined by titration.
  滴定度用滴定的方式测定的一种物质的溶液浓度或这种物质的浓度

• It's a material of substance.
  那是一种坚固的材料。

• To spot or stain, as with a discoloring substance.
  玷污，弄赃因某种褪色物质弄脏、染污

nature是什么意思：
n. 大自然；自然方式；天性；本质；种类

• natural | natural sign
  白键|本位记号

• natural language
  自然语言(指人类语言集团的本族语,与世界语或计算机语言等人造语言相对)

• The method is a natural.
  这方法一定灵。

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