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'....
She was wearing wool slacks and a paisley smock.她穿着羊毛宽松裤和涡旋花纹宽袍。The shirts were printed with a paisley pattern.这些衬衫上印着佩斯利旋纹图案。He was elegantly dressed in a grey suit, blue shirt and paisley tie.他衣冠楚楚，穿着灰色西服、蓝色衬衫，系着一条佩斯利花...
a crusty old man脾气暴躁的老人As he grew old, he turned into a crusty Confucian moralist.大概他上了年纪以后, 才成了讲道德说仁义的顽固人物. ”She means well, but is very crusty and queer now.她的心眼不错, 不过这阵,她可很能唠叨,很古怪....
Over the food, Richard blurted out what was on his mind.吃东西的时候，理查德把自己的想法一股脑儿全说了出来。She blurted it out before I could stop her.我还没来得及制止，她已脱口而出。"You're mad," the driver blurted out.“你疯了，”司机脱口而出。'I was looking for ...