"Old America seemed to be breaking up and moving westward," observed an English visitor in 1817, during the first great wave of migration.

1817年，在第一次移民大潮中，一位英国游客观察到：“古老的美洲似乎正在分裂并向西移动。”

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Thee typhoon is moving westward at a speed of 20 kilometers per hour.

台风电母以时速20公里的速度向西而去。

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Like Tomas, Ului had been moving westward over an area of high sea surface temperatures.

如同热带气旋tomas, Ului也曾经在西移途中经过一片高海温区。

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The volcanoes are strung across several thousand kilometres of ocean floor and are moving westward on the Pacific tectonic plate at up to 6cm per year.

BBC: Undersea mountains march into the abyss

Felix is centered about 30 miles northwest of Granada and is moving westward at about 18 miles per hour, the NHC said in its 5 a.m. advisory.

CNN: The CNN Wire: Saturday, September 1

The fast-moving wildfire about 90 miles east of Los Angeles broke out just after noon and was moving westward through largely undeveloped foothills of the San Bernardino Mountains, but it was dangerously close to subdivisions to the south, in Banning.

NPR: Wind-Fueled Wildfire Erupts East Of Los Angeles