This paradox may be resolved by determining the extent of interation between calcium and magnesium.这种自相矛盾的问题只有证实钙与镁之间的相互作用程度才能得到解决.The paper analyes interation shear , fluid forming process , and discuss the ore forming ...
由于用力骑车爬坡, 她浑身发热,She was hot and breathless from the exertion of cycling uphill.你前行的道路似乎老是坎爬坡.When the road you are trudging seems all uphill.直译为“老奶奶速比”,山地车上最低一档的速比, 用于最陡峭的爬坡.The lowest gear on a mountain bike, used for v...