1·在此情况下，只有柠檬酸根能得到满意的分离富集。 该方法已用于富集、测定电镀溶液、工业废水中的柠檬酸根，相对标准偏差在3 8%以下。
This process is already used for enriching and determining the radical in electroplating solution and industrially polluted water with a relative standard derivation of less than 3 8%.
2·8可被2和4除尽，但不能被3除尽。
8 is divisible by 2 and 4, but not by 3.
—— 《牛津词典》
3·24除以3等于8。
3 into 24 is 8.
—— 《牛津词典》
4·我们在6点叫醒你，早餐在8点，午餐在中午，3点半有茶点，晚餐在6点。
We wake you at 6 o'clock, and breakfast is at 8 o'clock, lunch is at noon, there's tea at 3:30 and supper is at 6 o'clock.
5·当她8个月大的孩子长到3或4岁的时候，她计划开始用适合孩子年龄的方式问他：“你想让别人看到这个吗？”
When her 8-month-old is 3 or 4-year-old, she plans to start asking him in an age-appropriate way, "Do you want other people to see this?"
6·他们总共大概有900万人 ，其中有300万人在东欧。
There are about 8 million of them, including 3 million in Eastern Europe.
7·作为五年级学生，有早期注意力障碍的孩子的平均阅读分数至少比同龄孩子低3%，学习成绩至少比同龄孩子低8%。
As fifth-graders, children with early attention problems obtained average reading scores at least 3% lower than their contemporaries' and grades at least 8% lower than those of their peers.
8·根据新的研究，大多数8或9岁的孩子只能记住他们3岁以前经历的35%。
Most children by the age of 8 or 9 can only remember 35% of their experience from under the age of 3 according to the new studies.
9·我队以8比3赢了那场足球赛。
In the football game we won by 8 points to 3.
—— 《新英汉大辞典》
10·明天上午8点至下午3点停水。
There will be no water tomorrow from 8 a.m. to 3 p.m.
—— 《新英汉大辞典》