同根派生 gunny sack相关词英汉例句Now each child had to climb into a sack from a standing position, hop to a goal line, return and climb out of the sack.这个比赛孩子们必须先站立着被套进黄麻袋里，跳过一条线，然后走回来，钻出袋子。gunny sack更多例句