To cause to occur by turns; interchange regularly. 使轮流发生；更迭。 Farmers usually alternate their corps. 农夫们通常轮重谷物。 to alternate joy and grief 忧乐更迭。 The sentries alternated their watch. 哨兵轮流巡守。 To act or take place by turns. 交替；轮流。 Day alternates with night. 日夜交替。 Taking place by turns; first one and then the pother. 轮流的；交替的。 (Esp. of leaves on a stem) growing first on one side of the stem and then on the other. 【植】(指茎上之叶)互生的。 A substitute one appointed to act for another. 代替者；代理人。 alternate angles 【数】(几何)错角。 |