Kids squealed and ran away, as if a great white shark were entering the pool.孩子们尖叫着跑开, 好像一只大白鲨正进入池中.The most well - known sharks are the great white shark, whale shark, blue shark and hammerhead shark.最著名的有大白鲨 、 鲸鲨 、 蓝鲸和...
Cell - free , sterilized blood plasma , used in transfusions.捐献血液用于输血的人.Years later, it would be used for blood transfusions during heart operations.多年以后, 滚子泵将被用于心脏手术中的血液输送.It'seems keener on blood transfusions than...
Such is the case in pyrrole, thiophene, and furan.吡咯, 噻酚和呋喃的情况就是这样.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.A novel furan resin w...