Nowadays a lot of people can live to be over 80 years old.

现在相当多的人可以活到八十多岁。

youdao

Objective: To investigate the oral health states of the elderly patients over 80 years old.

目的：了解高龄老人口腔卫生保健状况。

youdao

So people say that around: "look at people over 80 years old, no miscellaneous diseases, but also worries happy and smile often."

所以周围的人都说：”看人家八十多岁了，没有一点杂病，也不见有烦恼，经常乐呵呵的笑口常开”。

youdao

They are believed to be 60 million to 80 million years old, made of sand pushed inland over the eons from the coast by Atlantic Ocean winds that sweep onshore 80 kilometers to the west.

CNN: Romancing the dune in Namibia