1. But optimists see the current problems of expanding cities as merely part of an evolutionary process.
    但是乐观主义者认为，现在城市膨胀造成的问题只不过是发展过程中的自然现象。

2. By measuring how closely current populations are related, the authors trace the routes by which early humans migrated around the earth.
    通过测定当前人类种群间的亲缘关系，作者们弄清了地球上早期人类迁移的路线。

3. We were rowing against the current.
    我们逆水划船.

4. When a man is dying, he loses interest in mundane affairs.
    当人快要死时, 他对尘世上的事情就不感兴趣了。

5. Wires transmit an electric current.
    电线传导电流.

6. When anyone opens a current account at a bank, he is lending the bank money, repayment of which he may demand at any time, either in cash or by drawing a cheque in favour of another person.
    任何人在银行开一个活期账户，就等于把钱借给了银行。这笔钱他可以随时提取，提取的方式可以是取现金，也可以是开一张以他人为收款人的支票。

7. The current is strongest in the middle of the river.
    河中心的水流最急.

8. This is a book on marital affairs.
    这是一本关于婚姻的书。

9. The monks never thought much about secular affairs.
    和尚从来不会过多考虑尘世。

10. They throw a holly wreath into the current in the winter.
    在冬季，他们向河里扔一个常青树的花环。

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