Fortis
[fɔ:tis]
例句:
- Senefelder, in his subsequent improvements, gave a slight relief to the letters by the original plan of using diluted aqua-fortis, by which means the impressions obtained were blacker. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- I mixed one part of aqua-fortis with five parts of water, and poured it on the stone to the height of two inches, having previously walled it round with wax in the usual manner. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- The diluted aqua-fortis was permitted to rest on the stone five minutes. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
编辑:罗伊