Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.表明笔石详细构造的物质是利用氢氟酸从石灰岩中侵蚀出来.She went on to art school and is now illustrating a book.她后来读了艺术学校，现在正在为一本书画...
She went on to art school and is now illustrating a book.她后来读了艺术学校，现在正在为一本书画插图。The example is chosen solely for its aptness in illustrating the current pet theory of the critic.选择这个例子仅仅是因为它能说明这位评论家目前最钟爱的理论。Material illus...
Officials have now been delegated to start work on a draft settlement.现在已经委派官员着手起草解决方案。The routine office work had all been delegated to his executive staff.一般的办公室工作都已经交给了他的执行人员.He delegated his responsibilities to a dep...
Attacks were reported on police, vehicles and commercial premises.据报道，警察、车辆和商业经营场所均遭到袭击。The city police set up roadblocks to check passing vehicles.该市警察设置了路障以检查过往车辆。The vehicles have a top speed of 80 kilometres per hour...