Normal, double - helix DNA is spiral, like a loosely coiled spring.正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.The spirally coiled central filament of a chromatid along which the chromomeres are aligned.染色线,染色''.'丝'....
We are prepared to offer 1000 tons of groundnut at the market price for immediate shipment.我公司准备按市场价供应一千吨花生仁,即期装运.We thank you for your enquiry of Aug, 23 rd for groundnut kernels.感谢你方8月23日关于花生仁的询盘.Mix an equal amount of...
他们只是大概知道可用水的总量。They have only a vague idea of the amount of water available.他们的总量不是太大。Their collective volume wasn't very large.总量可以从现有的数字中按照逻辑推断出来.The total amount can be deduced logically from the figures availabl...