When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。There are problems of urban decay and gang violence.存在城市衰败和帮派暴力的问题。The phosphate was deposited by the decay of marine microorganisms.海洋微生物腐...
Some utensils were in a state of decay when they were unearthed.有些器皿在出土时已经残破.The house is in decay.这栋房子已经坏了。There are problems of urban decay and gang violence.存在城市衰败和帮派暴力的问题。Our powers decay in old age.我们的体力在老年时就衰退。...d...
Behind the habitations, the sandstone cliffs rose abruptly to the north and west.在居住区后面，北边和西边陡然高耸着砂岩悬崖。Ye shall kindle no fire throughout your habitations upon the sabbath day.3当安息日,不可在你们一切的住处生火.The road serves the scatt...
甘氨酸去除二氧化碳和氨能产生丝氨酸.The glycine can give rise to serine with the elimination of carbon dioxide and ammonia.RGD是 由精氨酸 ( Arg ) 、 甘氨酸 ( Gly ) 、天冬氨酸 ( Asp ) 三个氨基酸组成的序列肽, 是近几年来发现的具有生物活性的短肽序列之一.RGD is composed of three amino aci...