有必要让公众在充分知情的状况下展开辩论。There needs to be a properly informed public debate.这份杂志没必要出现那种语言。There'sno need for that kind of language in this magazine.他说：“我从未故意将任何病人置于不必要的风险境地。”"I have never knowingly exposed any patient t...
正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.Normal, double - helix DNA is spiral, like a loosely coiled spring.这就是双螺旋.This is the double helix.由此产生的双螺旋结构减少了摩擦,并允许更快, 更容易系带.The resulting double helix reduces friction and allows faster, e...
He fiercely criticised self-styled educational experts for ignoring Shakespeare.他强烈批评那些无视莎士比亚的自诩为教育专家的人。He was a champion for Latinos and blacks within the educational system.他一直致力于在教育系统内为美籍拉美人和黑人争取权益。Following a day of ...