Prokaryotes lack organelles such as nucleoli, mitochondria, plastids , Golgi apparatus, and do not exhibit cyclosis.原核生物无细胞器,如核仁 、 线粒体 、 质体 、 高尔基体等, 不出现胞质环流....
There are bound to be teething problems with something so new.如此新鲜的事物刚开始必然会有些问题。Teething can be painful and make your baby irritable.长牙会很难受，婴儿会烦躁不安。The problems went deeper than mere teething difficulties.问题不仅仅是起始阶段的小麻烦那...
So Ido not trust counting measures on how to evaluate severity.因此,我不相信那些依靠数数来评估口吃严重程度的方法.The average speed of the vehicles correlates closely with the severity of the accident caused.平均车速与所引起事故的严重程度密切相关.His severity scar...
I helped to undress the children for bed.我帮孩子们脱衣就寝.Maybe Apollonia had wanted hire to help her to undress.也许阿波罗妮娅想要他帮着她脱衣服.He put it up and began to undress.他把钱收好后,开始脱衣服....