And William Clark, his partner, was very good with the people on the ground.

而他的合作伙伴克拉克和底下的人相处很好。

In eighteen-oh-four, Merriwether Lewis and William Clark led a group of explorers to the Pacific Ocean.

1804年，梅里韦瑟·刘易斯和威廉·克拉克带领一队探险者去了太平洋。

Lewis chose a man named William Clark to help him lead this expedition.

刘易斯选择了一个名叫威廉·克拉克的人来帮助他领导这次探险。

Lewis picked William Clark as his co-captain.

刘易斯选择威廉·克拉克作为他的副队长。

He was cared for by William Clark and his wife, Julia.

他由威廉克拉克和他的妻子朱莉娅照顾。

In 1804, a new spectacle came floating up the Missouri River: Merriwether Lewis and William Clark.

1804 年，一个新奇观漂浮在密苏里河上游：Merriwether Lewis 和 William Clark。

In 1804, he sent out a group of explorers led by Meriwether Lewis and William Clark.

1804年， 他派出以梅里韦瑟·刘易斯和威廉·克拉克为首的探险队。

So Jefferson sent a corps of explorers under the command of Meriwether Lewis and William Clark to travel up the Missouri River to find out.

因此，杰斐逊派出一支由梅里韦瑟·刘易斯和威廉·克拉克率领的探险队沿密苏里河逆流而上寻找答案。

Between 1805, when Meriwether Lewis and William Clark first traversed the continent, and the 1860s, the buffalo's numbers fell from probably 30m-60m to fewer than 15m.

从 1805 年梅里韦瑟·刘易斯 (Meriwether Lewis) 和威廉·克拉克 (William Clark) 首次穿越非洲大陆到 1860 年代，水牛的数量从大约 30m-60m 下降到不到 15m。