他凭借超乎常人的保持生命尊严的信念和顽强意志力忍受着各种病痛的折磨。He suffered a long series of illnesses with tremendous dignity and fortitude.他不愿意在女友面前摆出这种有失尊严的姿态.He was reluctant to strike such an undignified pose before his girlfriend.凡是把意外事故当作是对个人尊...
氰氨化钙是毒性物质,对皮肤有刺激性.Calcium cyanamide is poisonous and irritating to the skin.叠氨化银不溶于水或硝酸.Silver azide does not dissolve in water or in nitric acid.氨化作用、同化作用及滤池的硝化作用是氮的主要转化形式.Ammonification, nitrification and nitrogen assi...
Cattails, dried milkweed pods, and other weeds may be gathered and painted for decorations.有人喜欢收集香蒲属植物 、 干枯的马利筋属植物的茎荚和其他野草,将它们着色, 然后再做成装饰品.Thank you for listening to my Milkweed.感谢听我的歌曲“乳草”.In the spring, surviving monar...