The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.研究了以硼氢化钾修饰的雷尼镍催化剂催化松油醇加氢制备二氢松油醇的反应....
Peppermint leaves are believed to relieve tiredness and nasal stuffiness.据信薄荷叶可以减轻疲劳和鼻塞。I sank my teeth into a peppermint cream.我咬了口胡椒薄荷味奶油软糖。Add a few drops of peppermint flavouring.加几滴薄荷香油....
拼写相同意思不同的两个单词是同形异义词.Two words are homographs if they are spelled the same way but differ in meaning.拼写发音相同但意思不同的两个单词是同形同音异义词.Two words are homonyms if they are pronounced or spelled the same way but have different meanin...
那只狗阴郁地盯着我们看了几分钟。The dog gazed at us lugubriously for a few minutes.他面色阴郁地凝视前方，假装没听见那些冷嘲热讽。He stared sullenly into space, pretending not to hear the jeers.她就那样阴郁地坐在那儿。She just sat there looking morose....
保护遗址、栖息地和风景区是重中之重。Protection of sites, habitats and landscapes is of uppermost priority.小帆船在和风中倾侧着轻快地向前开。The little sailing-boat moved briskly along, heeling over under a nice breeze.来自南方的温暖和风吹干了街道。Warm breezes from the ...