孩子们喜欢在那块巨大的圆石上玩耍。
The children love to play on that huge ___boulder.
孩子们喜欢在河边光滑的大石头上玩耍。
The children love playing on the smooth ___boulders by the river.
攀岩者努力越过那块巨大的岩石。
The climber tried to get past the huge ___boulder during the ascent.
浙公网安备33010902004675号
