1. You must be home at half past ten.
    你必须在10点半到家。

2. Spiders are busy for at least half the year in killing insects.
    蜘蛛至少有半年在忙于吃昆虫。

3. Since that time, racing drivers have reached speeds over 600 miles an hour.
    从那时以来，赛车选手已达到每小时600英里的速度。

4. So when the north pole tips towards the sun, the northern half of the world (or the Northern Hemisphere) is warmer and has its summer (June, July and August).
    所以，当北极斜向太阳时，地球的北半部（北半球）就比较温暖，是夏季（六、七、八月）。

5. Standing in high heels inevitably hurts after an hour on foot. This results in aches and pains.
    穿高跟鞋站一个小时会不可避免地对人造成伤害，并会引起疼痛。

6. Since we can't create a 26-hour day we have to decide what things we're going to do."
    由于我们无法让一天有26个小时，所以我们必须确定我们打算做的事情。"

7. Since then, AIDS has killed more than 204,000 Americans — half in the past few years alone.
    自那时以来，艾滋病已夺走了20.4万多美国人的生命--其中有一半是在过去几年中丧生的。

8. 8 a.m. the day of the move, the moving company calls to say they'll be an hour late.
    搬家那天上午八点，搬家公司来电话，说是要晚到一小时。

9. So, on his tenth birthday, Johnny goes to the brain-control center. He sits for an hour or so under a machine that looks something like a hair-dryer, with him attached to it.
    所以，约翰尼在10岁生日那天来到了大脑控制中心。他坐在一个形似吹风头罩的机器下面，并和机器连接在一起，就这样坐了一个小时左右。

10. Sam is now a year and a half old, big enough to cross the playground's bouncy bridge himself.
    山姆现在一岁半了，有能力自己穿过操场上的蹦蹦桥。