如何使用 "concentrate" 造句

1. They make it beguilingly easy to concentrate risk .
以上几点使得风险极易集中。
2. Rather concentrate on making british universities as good as possible .
倒不如集中精力把英国大学越办越好。
3. This is an apple juice and concentrate production line .
这是条苹果汁和浓缩生产线。
4. One way to do so is to concentrate sunlight onto them .
一种方法是将太阳光聚集到电池上。
5. Many people fail to do this and wonder why they cannot concentrate .
很多人做不到这一点,并想知道为什么他们不能全神贯注。