例句與造句

1. The third sino - us front line sciences seminar was held in bakerman academic center in california and over 70 chinese and american scientists attended the seminar
   第三屆中美前沿科學(xué)研討會(huì)在美國(guó)加州貝克曼學(xué)術(shù)中心舉行，共有70多位中美科學(xué)家參加。
2. It's difficult to find front line science in a sentence. 用front line science造句挺難的