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extend for 还是 extend to 辨析

来源:www.biu461.com 2025-01-16

"Ghostnets" are a serious problem along Australia's northern coastline; they canextend for

moreseveral hundred meters in length.

为何不是extendto ? 而是extendfor 呢?

我查看了词典,有如下2个例句:

Thecaves extend for some 12 miles.

这类洞穴延伸约12英里。

来源:《柯林斯英汉双解大词典》

Themain stem will extend to around 12 ft, if left to develop naturally.

假如让其自然成长,主干会延伸到12英尺左右。

来源:《柯林斯英汉双解大词典》

所以,我搞糊涂了,到底是extend to 还是 for 呢?

extend for 表示“长达”, extend to 表示“延长到”。如:

This river extends for hundreds of miles.  这条河长达数百英里。(《英汉多功能词典》新编升级版p.579) 

The main stem will extend to around 12 ft, if left to develop naturally.

假如让其自然成长,主干会延伸到12英尺左右。

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