decay是什么意思,decay怎么读,
tooth decay蛀牙;龋齿;齵齿
decay rate衰减率;衰变率;衰变速度
词根:decay
adj.decayed 腐烂的;腐败的;衰退的
v.decayed 腐烂;衰退(decay的过去分词)
1.Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.
氦是钍和铀元素数千年放射性衰变的副产品。
2.Sugar can cause tooth decay by being used as a food source for the bacteria found on our teeth, which causes plaque.
糖通过被那些存在我们牙齿的引起斑块的细菌作为一种食物来源,可以导致牙齿腐烂。
3.After a while, the decay reaches the nerves and blood vessels of the inner tooth.
过了一段时间,蛀坏的部分会蔓延至内牙的神经和血管。
4.The decay of Christian belief and practice is not a loss but rather an opportunity for poetry in Crane.
在克莱恩看来,基督教信仰和践行的衰败,并不是损失,反而是诗歌新生的机会。
6.Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。