1. a pointed projection

1.（叉子等的）尖头，尖齿
Theprongs of something such as a fork are the long, thin pointed parts.

e.g. Mark the loaf with the prongs of a fork in a criss-cross pattern.
用叉子尖在面包上划十字图案作标记
e.g. ...aprong attached to the back of a rider's boot.
骑马人马靴后跟上镶着的马刺

2.（政策、计划等的）部分，方面
Theprongs of something such as a policy or plan are the separate parts of it.

e.g. The shareholder rights movement has two prongs...
股东权利运动有两部分。
e.g. The secondprong of the strategy is the provision of basic social services for the poor.
该策略的第二部分是为穷人提供基本的社会服务。

1. 尖头,叉,管脚：promotion 增进,助长,加速 |prong 尖头,叉,管脚 |prong fork 尖头叉

2. 音叉臂：projector 投影机,放映机,投射器 |prong 音叉臂 | proof plane 验电板

3.

3. 尖头：pronephros 前肾 |prong 尖头 | pronormoblast 原正成红细胞

4. 叉状物：proneness 俯伏 |prong 叉状物 |pronged 尖端分叉