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...
Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Nitrates are chemicals that occur naturally in water and the soil.硝酸盐是水和土壤中自然存在的化学物质。Nitrates leach from the soil ...
真正的危险是该国东部地区的民众动乱。The real danger is civil unrest in the east of the country.更加危险的动乱区在首都之外。The more serious flashpoints are outside the capital.军队最终平息了动乱。Troops eventually quelled the unrest....
The girls jumped up and down and waved their arms with abandon.那些女孩子跳上跳下尽情地挥舞着手臂.People were shouting and cheering with abandon.人们兴高采烈,纵情欢呼.They lent with abandon for land speculation in the early 1990 s.在90年代初期时,银行对土地投机...