About 500 volcanoes have erupted since we started keeping records.

自从人类开始以来，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，科学家一直这些地区的风暴。

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

老式的人口普查是由办员处理，办员是工作内容涉及保存的办公室工作人员。

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

办员是工作内容涉及保存的办公室工作人员。

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

老式的人口普查由文员完成 —— 工作包含的办公室职员。

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

这些人通常会保存家庭、书籍和相册。

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

你得信息来源吗？

They wanted to keep a record of the Bible.

他们想圣经。

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

注意看和听其他的短语表达，并下你的发现。

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

约翰尼把每件都下来，包括工资和巴比的伙食费。

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

主持人还会为玩家读取线索，并赢得的积分。

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

不要忘好好保持你的支出。

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

根据法律要求，学校不需要学生毕业后保留他们的。

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

而且它们的冰层了气候的历史。

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

该州的环境管理部门没有关于圆蛤的。

Some years were lost because no records were kept.

由于没有保存，有些年份丢失了。

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

美国的未参保率也降低到有这项以来的最低值。

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

脸谱网你打出的每个电话和发送的每条短信。

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

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的资料。