Over the past two million years, colder glacial periods have alternated with warmer interglacial periods.

在过去的200万年里，寒冷的冰期与较暖和的间冰期交替出现。

Then, as blazing sunshine alternated with drenching rains, the harsh, barren surfaces of the black rocks slowly began to soften.

然后，随着炽热的阳光和滂沱的大雨交替出现，黑色岩石粗糙而贫瘠的表面开始慢慢软化。

She alternated singing and dancing.

她一会儿唱歌，一会儿跳舞。

Joy and grief alternated in my heart.

我心中悲喜交替。

Hope and fear alternated in my breast.

我忽而充满希望，忽而担心。

His parents alternated in looking after him.

他的父母轮流看护他。

He alternated between hope and despair.

他时而充满希望，时而绝望。

The joys and pains of love are alternated.

爱情中的欢乐和痛苦是交替出现的。

My life alternated between work and sleep.

我的一生就是工作与睡眠相交替。

The young man alternated singing and dancing.

那年轻人一会儿唱一会儿跳。

The little boy alternated playing and studying.

这个小男孩玩一会儿学一会儿。

He alternated between supporting me and opposing me.

他时而支持我，时而反对我。

Dan and Mike alternated washing the dishes every night.

丹和迈克每天晚上轮流洗碗。

He alternated his character between father and son in the play.

翻译他在剧中轮流扮演父亲和儿子两个角色。

The men alternated leading and lying on their backs and kicking.

所有人轮流领游和倚靠在别人背上蹬划。

She alternated in watching the clock and staring at the telephone.

她一会儿看看钟，一会儿又盯着电话。

This movie has three different endings that will be alternated every week.

这部片子有三个不同的结局每周随机播放。

This was when E3 still alternated between Atlanta and Los Angeles each year.

当时的E3还是在亚特兰大和洛杉矶轮流举办的。

We alternated houses together, and we knew each other's lives almost completely.

我们互相去对方家里做客，我们几乎完全知道对方的生活。

The Rockets have alternated losses with wins for 10 consecutive games since then.

火箭队与交替此后连续10场获胜的损失。

Each of these box-like structures alternated with an empty space, of exactly the same size.

每一个盒状结构交替留有一个空的空间，大小完全一样。

But when the games are alternated -- playing A twice and B twice for 100 times -- money is not lost.

然而，如果交替玩两个游戏--两次A、两次B，交替100次--那么不会输钱。

I like to use an alternated grip, which means one hand is pronated while the other is supinated.

我喜欢用一个交替的抓地力，这意味着一方面是旋前，而另一个是。

This year's weather, which constantly alternated between rain and heat, has ruined lots of crops.

今年的天气，要么就下雨，要么就持续高温，毁了不少农作物。

The symposia were held in various places in China, but usually alternated between north and south.

这些学术讨论会一般在中国各地举行，但通常是交替地在南北两地举行。

Weight loss, making her look gaunt and stringy, alternated with periods of puffiness and overweight.

体重降低，使她面容憔悴，形同麻杆，间或也夹杂著阵阵虚胖和超重。