"Nitre," I replied. "How long have you had that cough?"

“硝，”我答道，“你害上那种咳嗽有多久了？”

They used lumps of nitre, a sodium compound from the ship.

他们使用了船上的硝石块-钠的一种化合物。

The harm of nitrate to human being and the source from where human being absorb nitre were discussed.

论述了硝酸盐对人体的危害，人体硝酸盐来源及主要城市蔬菜硝酸盐污染现状。

Objective: To observe clinical therapeutic effective of 5 mono nitre isosorbide combined with ginkgo leaf in the treatment of angina pectoris.

目的：比较5 单硝异山梨醇酯和银杏叶并用与单用5 单硝异山梨醇酯对心绞痛患者的疗效。