We congratulated her upon her attainment to so great an age.我们祝贺她高寿.Could it be said that it is impossible of attainment?难道这是办不到的 吗 ?We congratulated him upon his attainment to so great an age.我们敬贺他高寿....
It is possible of attainment.这事可能达到。...the attainment of independence.实现独立We can’t exaggerate his scientific attainment.我们无法估量他在科学上的造诣。Could it be said that it is impossible of attainment?难道这是办不到的 吗 ?We congratulated him...
沥清铀矿和铜铀云母比纯铀的放射性强得多.Pitchblende and chalcolite are much more radioactive than uranium itself.铜铀云母 ( 铜和铀的磷酸盐结晶体 ) 的放射性是铀放射性的两倍.Chalcolite ( crystallized phosphate of copper and uranium ) is about twice as radioactive as u...
Diamonds have extreme resistance to abrasion.钻石极抗磨损.Erosion of pipes and vessels from abrasion by particles can be serious.由于固体颗粒的磨蚀作用,管子和容器的磨损严重.Abrasion also abets wind erosion.磨损作用也助长了风的侵蚀....