难点

难点

[nán diǎn]

aporia;difficult point;difficulty;nodus;rub ;

例句:

1、

I'll read the text through and then explain the difficult points.

我先把课文读一遍,然后解释难点.

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2、

Design of four-bar linkage is emphasis and difficulty of hydraulic support.

四 连杆机构 的设计是液压支架设计的重点和难点.

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3、

Advancing suburban assurance is the difficulty and keystone of domestic insurance enterprise.

发展农村保险是我国保险业发展的难点和重点.

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