重点讲解：
1. lead to 招致；致使；导致；
例句：The traffic accident led to a chain of events.
交通事故引起了一连串的事件。
2. according to 据…所说；按…所载；
例句：According to normal practice, a judge can take a few days to reach a ruling which is then "handed down" in court.
按照惯例，法官会在几天内在法庭上给出最后达成的裁决。
3. give birth 生（孩子）；分娩；生育；
例句：Mrs Li gave birth to twins this morning.
李太太今早生了一对双胞胎。
4. around the clock 不分昼夜；日夜不停；
例句：The convenient store is open around the clock.
便利商店二十四小时营业。
5. stand at 处于（某一水平）；
例句：Its debt then stand at 134 million guilders.
当时它的债务额已达一亿三千四百万盾。
