The perch is a freshwater fish.鲈鱼是淡水鱼。Coal is formed from the remains of freshwater plants.煤是由淡水植物遗骸形成的.There are bright prospects for freshwater fish farming.淡水养鱼大有可为....
There are bright prospects for freshwater fish farming.淡水养鱼大有可为.Both marine and freshwater fisheries are beset by a number of very serious human impacts.无论海洋渔业还是淡水渔业,都为人类造成的一系列严重影响所困扰.Limnology The scientific study of fr...
He was sitting at the other end of the table, tight-lipped and angry.他坐在桌子的另一头，双唇紧闭，满面怒容。Her tight - lipped friend had kept it a secret.她那守口如瓶的朋友对这事一直保密.Military officials are still tight-lipped about when or whether the...
Differential scanning calorimeter ( DSC ) showed NPN had high T _ g ( 129.7℃ ) and T _ m ( 245.7℃ ).差热扫描法(DSC ) 测定其玻璃化温度 ( Tg ) 高达129.7℃,熔点达 245.7 ℃.Oxygen bomb calorimeter was used to determine calorific value of vinass...
我不喜欢匆匆地用早餐, 我愿意从容不迫.I can't enjoy a hurried breakfast; I like to take my time over it.醒醒! 你们都该起来了——五分钟后用早餐.Show a leg! It's time you were all up and about — breakfast is in five minutes'time.亚历克斯在寓所内一边用早餐,...