"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。

"Pass your hand, " I said, "over the wall; you cannot help feeling the nitre.

“伸手摸摸墙，”我站在洞口说，“你肯定会摸到硝石。

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。

For though thou wash thee with nitre, and take thee much soap, yet thine iniquity is marked before me, saith the Lord GOD.

你虽用碱，多用肥皂洗濯，你罪孽的痕迹仍然在我面前显出。这是主耶和华说的。