He is an actor with a very mobile face.

他是一个脸部表情多变的演员。

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Jennifer Parker was a slender, dark-haired girl of twenty-four with a pale skin, an intelligent, mobile face, and green, thoughtful eyes.

詹妮弗·帕克今年二十四岁，身材苗条，黑色头发，皮肤白皙，脸部表情丰富，一双碧眼显得又聪明又深沉。

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"Existing mobile face trackers give only an approximate position and scale of the face," said Dr Phil Tresadern, lead researcher on the project.

“现有的移动面孔追踪器只能提供大概的位置信息以及脸部比例，”该项目首席研究员菲尔·特雷萨登说道。

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Marketing brands via mobile face two difficult challenges: First, gaining consumer attention on their personal and user-controlled devices where they act as singular gatekeepers.

FORBES: 7 Innovative Mobile Gaming Opportunities for Brands

Japanese mobile makers face other difficulties as well.

ECONOMIST: Why Japan lost the mobile-phone wars

"I'm very concerned by the union of mobile tracking and face recognition, " he said.

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