質(zhì)的英文：
hostage
substance
nature
quality

• To cross-examine both parties
  質(zhì)訊兩造
• Homogenized fresh milk
  均質(zhì)鮮奶
• a herbaceous root [ stem ]
  草質(zhì)根[莖]
• The mass-energy equivalence has been amply confirmed.
  質(zhì)與能的相當性已被充分地證實。
• the sanguine [ phlegmatic,choleric,melancholic ] temperament
  多血[粘液,膽汁,憂郁]質(zhì)
• To destroy or remove the myelin sheath of(a nerve fiber,as through disease.
  失去髓磷質(zhì)(通過疾病等)破壞或移走(神經(jīng)纖維)鞘中的髓磷質(zhì)
• It is easier to say that the equivalence of mass and energy is an experimental fact
  說質(zhì)能等效性是實驗事實，那是毫不費力的。
• Sour preserved fruit made by our factory has the effect of promoting the production of body fluid and relieving thirst.
  本廠生產(chǎn)的酸質(zhì)蜜餞具有生津止渴的功效。
• Crystalloid:a substance that can be crystallized.
  類晶質(zhì):一種能夠被晶體化的物質(zhì).
• Combustion Mechanisms of Hetero-geneous Solid Propellants; Final rept. 1 Mar 1995-1 Jun 1999
  非均質(zhì)固體發(fā)射藥的燃燒機理/最終報告

• Plans to spring the hostages have succeeded.
  營救人質(zhì)的計劃成功了。
• The guerrillas threatened to kill their hostages.
  這些游擊隊員威脅要殺死人質(zhì)。
• The hostages were freed in the commando raid.
  在突擊隊的突襲行動中，人質(zhì)獲釋。

• 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測定的一種物質(zhì)的溶液濃度或這種物質(zhì)的濃度
• It's a material of substance.
  那是一種堅固的材料。
• To spot or stain, as with a discoloring substance.
  玷污，弄贓因某種褪色物質(zhì)弄臟、染污

• natural | natural sign
  白鍵|本位記號
• natural language
  自然語言(指人類語言集團的本族語,與世界語或計算機語言等人造語言相對)
• The method is a natural.
  這方法一定靈。