What is the difference between a dolphin and porpoise ?海豚和和鼠海豚有什么区别？He was so happy communing with the dolphin in Dingle Bay.他在丁格尔湾与海豚交流的时候特别开心。The whale, like the dolphin, has become a symbol of the marvels of creation....
Gram negative bacilli resistant to cephalosporins were between 17.4 % to 55.5 %.革兰阴性杆菌对三代头孢菌素的耐药在17.4%～55. 5%之间.Successfully developed Side - chains for cephalosporins has also resulted in good market reply.目前公司开发的系列头孢侧链...
...children happily sated with ice cream.尽情享用冰激凌的孩子们The tiger that has once tasted blood is never sated with the taste of it.一次尝到血,虎欲永难填.Just as Francis was sated with the high political world, Astill was insatiable.法朗西斯...