内酯是制备其他有机试剂的重要化学品.Lactones are major chemicals used in the preparation of other organic reagents.大环内酯类抗生素是治疗mp感染的有效抗生素.Macrolides are the effective antibiotics in the treatment of MP infection.结论95%乙醇可作为雷公藤内酯醇的洗脱剂.Conclu...
在橄榄树的根部可以找到像铅笔一样长的蜈蚣。In the roots of the olives, you could find centipedes as long as a pencil.那个生物是一只很小的蜈蚣，只有10毫米长。The creature is a tiny centipede, just 10 millimeters long.一只蜈蚣飞快地爬开了.A centipede snaked swiftly away....
将面团分成12等份，每份揉成球状。Divide the dough into 12 even pieces and shape each piece into a ball.她把纸卷成球状.She rolled the paper into the shape of a ball.将你所能找到的这些搓成球状,大约拳头大小.Ball up whatever you can find to about fist - size....