Something that serves as a goad or an incentive.

刺激，激励，鞭策：充当刺激物或刺激动因的东西。

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A pointed object, such as an ice pick, a goad, or a thorn.

尖刺尖头物，如冰戳，尖棒或荆棘。

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Some Twitter users were also starting to send out messages that are only about a product or service - effectively spam, said Mr Goad.

Goad说，“有些Twitter用户也开始发送各种关于产品或服务的消息—甚至是垃圾邮件。”

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Kelly suggested Adam's account was a ploy to goad him into testifying.

WSJ: NY politician testifies at police stop-frisk trial

Robin Goad, a research director at Hitwise who has analysed Twitter growth, said businesses were definitely starting to sign up to the micro-blogging service.

BBC: Twitter followers 'can be bought'

The growing commercial use of Twitter was presenting the network with a few problems, said Mr Goad.

BBC: Twitter followers 'can be bought'