Isopentyl lactate was synthesis from acid and isopentyl alcohol in the presence of ferric chloride hexahydrate.在六水三氯化铁存在下可以由乳酸和异戊醇合成乳酸异戊酯.Rather than politely lobbying politicians, Gay Dignity will be making its presence...
We had kept its presence hidden with a strategically placed chair.我们用一张摆放得很巧妙的椅子将它隐藏了起来。The presence of a star is already apparent in the early film.在早期影片中已经显露出了明星相。Nobody was allowed to eat in the Empress Dowager's...
这一方法给教学带来了活力，也使知识的吸收变得容易了。This technique brings life to instruction and eases assimilation of knowledge.该物质可以吸收地球向外辐射的能量。The material can absorb outward-going radiation from the Earth.剧本吸收了三个苏格兰民间故事并把它们相互衔接起来。The play ta...
The town's political climate was libertarian.该镇的自由主义政治气氛浓厚。To the libertarian and the hard - determinist, such a distinction is unintelligible.对意志自由论者和刚性决定论者来说, 这样的区别是难以理解的.The Frankfurt School has made an important...
禁止穿戴不合规定之服装或护具.The wearing of unauthorised clothing or equipment is forbidden.所有参赛者比赛时都必须佩带安全头盔及护膝、肘等可能必要的安全护具.It is mandatory that riders wear and approved safety helmet during racing.(三)比赛拳套和护具由组委会准备.Gloves and protect...