I went to the city,but my brother remained at home.

我去了城市，可弟弟留在了家里。

　　【拓展】 1）remain还可用作系动词，意为"保持;依然;仍然;继续"。如：

He's determined to remain loyal to the team whatever comes his way.

他决心不管发生什么事都忠于球队。

　　2）remains (pl.) n.残余物;剩余者；遗体

the remains of dinner 残羹剩宴

His remains lie in the churchyard.

他的遗骨葬在教堂墓地。

　　They went through a wheatgrowing province and saw farms that were thousands of square kilometres in size.

　　他们穿过一个种小麦的地区，看到了一些面积有成千平方千米的农场。

　　【剖析】 1) 此句为and 连接的一个并列句，and 前后的两个分句共用了一个主语They。that were thousands of square kilometres in size为定语从句修饰名词farms。

　　2）go through 此处意为"穿过;通过"。

　　3）wheatgrowing 为复合形容词，用来修饰province。

　　4）in size 中in在此表示"在......方面"。

　　【拓展】 go through的其他含义：

　　①审阅，检查

I cannot go through the letters in an hour.

一个小时的时间我可审阅不完这些信。

　　②翻找，查看，搜寻

Mother went through the drawer for her glasses.

母亲翻抽屉找眼镜。

　　③经历（困难、痛苦等）

They would go through fire and water to serve the people.

为人民服务他们甘愿赴汤蹈火。

　　④通过，成功，成交

The plan did not go through.计划没通过。

　　In the distance,they could see the misty cloud that rose from the great Niagara Falls,which is on the south side of the lake.

　　远处，她们可以看到在湖的南边尼亚加拉瀑布上方升腾着的雾霭。

　　【剖析】 1）that 引导的定语从句直到句末，用来修饰名词the misty cloud；而which is on the south side of the lake 又是一个定语从句，用来说明the great Niagara Falls 的具体位置。

　　2）in the distance在远处；远方的。作地点状语。如：

Evening came slowly.The hills in the distance turned dark blue.夜色渐近，远山变成了深蓝色。

　　3）rose 为动词rise 的过去式，它的过去分词是risen.

　　【拓展】 1）rise还可以表示"站起来，起床"，相当于stand up和get up。如：

We should form a good habit of rising early in the morning.

我们应该养成早起的习惯。