这些分子链彼此缠绕，形成缆线状的结构。These strands of molecules twine around each other to form cable-like structures.其核酸结构为线状双股DNA, 衣壳为二十面体对称,有囊膜.It has linear double strand DNA, icosahedral - capsid and envelope.其中画线算法是实现线状符号的理论基础.Algor...
陈旧的石制牛食槽仍然放在大门口。The old stone cattle trough still sits by the main entrance.她一溜烟穿过草地跑到了大门口。She ran swiftly over the lawn to the gate.大门口的一侧有块红色的匾额。On one side of the main entrance there's a red plaque....
The city has trebled the number of its prisoners to 21,000.该市的囚犯人数增长了两倍，达到21,000人。Their profits have trebled in the last two years.最近两年他们的利润增加了三倍.It's value has trebled.它的价值已增长到原来的三倍....