'What's your name?' he asked, pointing at the child with his pen.

他用笔指着小孩问：“你叫什么名字？”

《牛津词典》

The EO-1 satellite is seeing the stain of elemental sulfur being carried to the surface, acting like a highlighter pen, pointing to the microbes' location.

EO-1卫星观测到染色的硫元素被带到表面，就像是一只记号笔，指出了微生物的所在地。

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Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen.

输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。

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Did he use the power of his pen to explain the futility of such a policy, pointing out the unintended consequences that would surely ensue?

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