In bnf, the only way to indicate a list of an arbitrary number of elements is through recursion . 在BNF表示法中，为了表示一串任意个数的元素，唯一的方法是通过递归来定义。
She got out pencil and paper and wrote down a series of sharp reproofs she intended to pour out upon him . 她拿出纸和笔写下了准备兜头盖脑地向他投去的一串串尖锐的斥责之言。
I was baselessly accused of complicity in the affair by a lazy hack who cannot be bothered to do his homework . 一个懒惰的三流记者，不把事实调查清楚，就信口雌黄，指控我是这次事件的串谋者。
It is on this trip that margaret was given the most dazzling pearl necklace, each pearl the size of a marble . 这次访问期间，送给玛格丽特一串光彩夺目的珍珠项链。每一个珍珠都有弹子球那么大。
He was rather like a christmas tree whose lights, wired in series, must all go out if even one bulb is defective . 他倒很象一株圣诞树上串起来的节日灯泡，只要一只出了毛病，其余别的也都要熄灭了。
The name of the child, the air of the mother, the tone of her voice, all awakened a train of recollections in his mind . 孩子的名字，母亲的神态，以及她说话的腔调，这一切在他脑子里引起了一大串回忆。
They are as nothing to the many-colored tapestries, the gorgeous stones and ropes of pearls in our ship . 这些货物同我们船上载着的五颜六色的花毯，五光十色的宝石以及一串串闪闪发光的珍珠根本就不能相比。
Next came a stint as a reporter in windsor, during which he found stringing words together not only easy but exhilarating . 接着又在温索尔干了一阵新闻记者，其间他发现把字串成文章不但容易而且挺有意思。
"now!" said haley, pushing his three purchases together, and producing a bundle of handcuffs, which he proceeded to put on their waists . “走啦！”海利把他刚买的三个黑奴推到一起，拿出一串手铐来把他们一个个都铐上。
The importance of the steady state approximation is that it greatly simplifies the solution of the rate equations in complex consecutive reaction pathways . 稳态近似法的重要性是，它大大简化了在复杂的连串反应途径中速度方程的求解。
