beta例句
Moving rapidly through school, he graduated Phi
Beta Kappa from the University of Kentucky at age 18.
他连续跳级，18岁时就以全美优等生联谊会成员的身份从肯塔基大学毕业。
" Golden " rice contains increased amounts of
beta - carotene, a source of vitamin A.
“ 金色 ” 稻米有很高含量的β - 胡萝卜素 —— 一种维生素A源.
One percent phenyl -
beta - naphthylamine was added to the recovered polymer as an antioxidant.
将1%苯基 - β - 萘胺作为抗氧化剂加到所得到的聚合物中.