大自然最让人惊叹的是它的无限多样性。The most amazing thing about nature is its infinite variety.它的发电成本要比核电站低。It will produce electricity more cheaply than a nuclear plant.发现问题后，如何克服它的问题又出现了。Having identified the problem, the question aris...
Gerome tried to talk her into taking an apartment in Paris.杰罗姆试图说服她在巴黎买一套公寓。He is in charge of putting these ancient books and records in order.他们负责这些典册的整理工作....
把下列数字和你卡片上的数字比照一下。Check the numbers below against the numbers on your card.我继续比照医生办公室里的图表来判断他病情的发展。I continued to measure his progress against the charts in the doctor's office.这可与一块放在铁砧上受挤压的铁相比照.This was compared w...
许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.Many groups can be added by nucleophilic substitution on a diazonium salt.大多数连于芳核能被直接取代的基团仅限于重氮盐.Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts....