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They may move back and forth between the U.S. and the home country.
他们可能在美国和自己的祖国之间搬来搬去。
youdao
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Our eyes move back and forth very quickly while they are closed.
我们的双眼在关闭时很快地来回移动。
youdao
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Our eyes move back and forth very quickly while they are closed.
我们的双眼在关闭时很快地来回移动。
youdao