it takes years of practice to become an expert.这里为什么practice前面不用the

it takes years of practice to gain the skills of an expert.这句话的意思..谢谢..现场等...takes years of 是什么意思.. it takes years of practice to become an expert.这里为什么practice前面不用the It is know to all that it takes years of ( )practice to gain the skill of( )expert.Aa;theB/;anCa;anD/;a it takes place after many years from now.求翻译 it takes hundreds of years for plastic bags to be absorbed by soil ,which will block the drainagesystem and cause water pollution .中的which带的什么? It takes me three years to write the book.就three years 提问?怎么提问? It takes years to build trust,and a few seconds to destroy it 英语翻译还有The sky is history是什么意思It takes a long time for light from the stars to come to earth.From the nearest star to earth,it takes about 4(1/2) years.From other stars,light can take millions of years to come to us!In the sky,we It[takes]them a lot of time.为什么用takes而不用pays,spends, It takes issue with the method of stating income翻译 He shoots down one of them and takes it home. it takes a nation of millions to hold us it takes a nation of millions to hold us back It takes Mars aout ( ) Earth years to complete a circle around the sun. 英语翻译翻译 It takes years to narrow the gap between the rich and the poor It takes him two years to write the book.（改为同义句） once harm____(do)to the environment,it takes years to have the system recovered. 翻译：it takes about 10 years to get used to how old you are. It takes a lot of( ) to improve ones knowledgIt takes a lot of( ) to improve ones knowledge of planting