1. One case concerns an eleven-year-old schoolgirl, Vera Petrova,
    其中有一例谈到有一个名叫维拉.彼托洛娃的11岁学生。

2. Little by little the eleven minutes fell to zero.
    慢慢地从11分钟减到了零。

3. I am eighteen, my brother is eleven, and my sister is seven.
    我18岁，弟弟11岁，妹妹7岁。

4. It was five feet ten inches in diameter near the stump, and four feet eleven inches in diameter at the end of twenty-two feet, after which it lessened a little, and then parted into branches.
    根部附近直径是五英尺十英寸。树干二十二英尺处，直径为四英尺十一英寸。然后渐渐地变细，分出了枝桠。

5. It was about midday. I'd left work early in the morning to cash (兑现) a cheque. I walked along to the bank and found there were only about ten or eleven customers in there, a pretty unusual number for those central city banks.
    当时大约是中午时分，为了兑现一张支票，上午我提前下了班。我一路走到银行，发现那儿只有十来个顾客，这个数字对市中心的银行来说是相当不寻常的。