1) swim across the river
游泳过河
2) He swam his horse across the river.
他让马游泳过河。
3) She has learned swimming.
她学过游泳。
4) Some are swimming in the river.
它们在河里游泳。
5) swim
[英][swɪm] [美][swɪm]
vi.游泳;游;漂浮;眩晕;充溢 vt.游过 n.游泳
6) across: he swam across the yellow river.
他游过黄河。
补充资料：它们
1.代词。称不止一个的事物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条