At the same time, her arms sweep open to help her keep her balance.

同时，她的手臂迅速展开以保持平衡。

His arm swept three-fourths of the horizon.

他的手臂扫过四分之三的地平线。

He swung his arm, sweeping a stack of books from the table.

他一挥手，将桌上的一摞书扫了过去。

His arm swept the horizon gracefully; violets, like other things, existed in great profusion there; " would she like to see them" ?

他的手臂优雅地掠过地平线；像其他东西一样，紫罗兰在那里盛产。 “她想见他们吗”？