Some laxative drugs such as magnesium sulfate , Bisatin, phenolphthalein, glycerol etc for common use were introduced.介绍了几种治疗慢性便秘的药剂,包括:硫酸镁, 比沙啶,酚酞, 甘油,开塞露等.并着重介绍了它们的用法....
Fizzy lemonade can be very gassy.有的汽水气很足.They had potato chips, fizzy drinks and chocolate at the party.他们为派对准备了薯片, 汽水和巧克力....fizzy water.汽水He still visits the village shop for buns and fizzy pop.他仍然去村里的小店买小圆面包和汽水。...a c...
The best bit was walking along the glacier.最好的部分就是沿着冰川走。The upper surface of glacier is riven by crevasses.冰川的上表面已裂成冰隙.The glacier scooped a canyon out of rocks.冰河在礁石中冲出了一条河谷....
The insert cDNAs were clonedinto EcoR I - digested, BAP - treated pUC 18 vectors and transformed into E.同时以EcoR酶消化环状pUC18DNA, BAP对载体5端去磷酸化.With the teacher's help, he digested the long text.在老师的帮助下, 他弄懂了这篇长课文.I have...