About 500 volcanoes have erupted since we started keeping records.

自从类开始记录以来，大约有500座火山喷发。

You think that you're the only one who's been keeping a record of wrongs?

你以为只有你在记仇吗？

Scientists have been keeping records of these storms in these regions since 1851.

自1851年以来，科学家一直在记录这些地区风暴。

Old-fashioned censuses were managed by clerks – office workers whose job involved keeping records.

老口普查是由员处，员是工作内容涉及记录保存公室工作员。

A clerk is an office worker whose job involves keeping records.

员是工作内容涉及记录保存公室工作员。

Old-fashioned censuses were managed by clerks - office workers whose job involved keeping records.

老口普查由文员完成 —— 工作包含记录公室职员。

These are the kinds of people who keep family records, books, and photo albums.

这些通常会保存家庭记录、书籍和相册。

Did you remember to keep a record of where you got the information from?

你记得记录信息来源吗？

They wanted to keep a record of the Bible.

他们想记录圣经。

Look and listen for other phrasal expressions and keep a record of your findings.

注意看和听其他短语表达，并记录下你发现。

Johnny kept records of everything, including wages and the cost of feeding Babe.

约翰尼把每件都记录下来，包括工资和巴比伙食费。

The host also reads clues to the players, and keeps a record of points won.

主持还会为玩家读取线索，并记录赢得积分。

Do not forget to keep a good record of the money you spend.

不要忘记好好保持你支出记录。

By law, schools aren't required to keep a student's records after they graduate.

根据法律要求，学校不需要在学生毕业后保留他们记录。

And their layers of ice keep a record of climate history.

而且它们冰层记录了气候历史。

The Department of Environmental Management for the state does not keep quahog records.

该州环境管部门没有关于圆蛤记录。

Some years were lost because no records were kept.

由于没有保存记录，有些年份丢失了。

The uninsured rate in America is the lowest since we began to keep such records.

美国未参保率也降低到有这项记录以来最低值。

Facebook is keeping records of every phone call and text message you sent.

脸谱网记录你打出每个电话和发送每条短信。

In Lake Superior, shipping companies have kept records of ice formation and breakup since 1857.

在苏必利尔湖，船运公司自1857年以来一直保存着冰层形成和破裂记录资料。