Even normal racing produces enormous straining, requiting the helmet to protect the neck and spine.甚至是一般的赛车运动都会产生极大的张力, 这就要求头盔能保护颈部和脊椎.When given a problem requiting multiplication or division, the computer solves it by ...
The mayor laid the cornerstone of the new library.市长为新图书馆奠基.The doctrine of surplus value is the cornerstone of Marx's economic theory.剩余价值学说是马克思经济理论的基石.The founders of our religion made this a cornerstone of morali...