adj. 1.交替的，轮流的。 2.隔一的，间隔的。 3.备用的，补充的；预备的，候补的。 4.【植物；植物学】交错的，互生的。 5.〔美俚〕副，代理的。 短语和例子 an alternate member of the committee 候补委员。 alternate angles 【数学】(一对)错角。 alternate hope and fear 一喜一忧。 alternate layout 另一方案。 alternate leaves 【植物；植物学】互生叶。 each alternate day 每隔一日。 in alternate lines 隔一行。 on alternate days 隔日。 n. 1.替换物。 2.〔美国〕(委员)代理人。 短语和例子 delegates and alternates 代表们和代理人们。 vt. 使交替，使轮流。 The sentries alternated their watch. 哨兵轮流站岗。 He alternates joy with grief. 他时喜时忧。 vi. 1.交替，轮流。 2.【电学】交流。 短语和例子 alternate between joy and grief 悲喜交集。 alternating current 【电学】交流(电流)。 alternating personality 【心理学】多重人格。 alternating series 【数学】交错级数。 alternating temperaturen 变温。
of leaves and branches etc; first on one side and then on the other in two ranks along an axis; not paired; "stems with alternate leaves"
occurring by turns; first one and then the other; "alternating feelings of love and hate" 同义词：alternating,
every second one of a series; "the cleaning lady comes on alternate Wednesdays"; "jam every other day"- the White Queen
serving or used in place of another; "an alternative plan" 同义词：alternative, substitute,
do something in turns; "We take turns on the night shift" 同义词：take turns,
go back and forth; swing back and forth between two states or conditions 同义词：jump,
reverse (a direction, attitude, or course of action) 同义词：interchange, tack, switch, flip, flip-flop,
be an understudy or alternate for a role 同义词：understudy,
exchange people temporarily to fulfill certain jobs and functions
someone who takes the place of another person 同义词：surrogate, replacement,
例句与用法
1.
Of course, alternate paths are common . 当然，别的途径也是常有的。
2.
We had a week of alternate rain and sunshine . 天忽晴忽雨，已有一个星期。
3.
She was no longer the alternate succubus . 她不再是那个轮番变幻的魔女了。
4.
The flood and ebb tides alternates with each other ... 涨潮和落潮交替更迭。
5.
Most of it has been retained in alternate husbandry . 其中大部分成为轮作草地。
6.
The sentries alternated their watch . 哨兵轮流站岗。
7.
The guard hairs on either edge alternate with each other . 两侧的针毛相互交错在一起。
8.
The successive coils are wound in alternate directions . 相邻的线圈是按交替的方向绕制的。
9.
Alternating sandstones and shales are regarded as important . 蚀变的砂岩和页岩是很重要的。
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