在近期的《天体物理与空间科学》杂志上，他对物质带有一个正引力荷，而反物质带有一个负引力荷的假设进行了概述。

According to his idea, outlined in the current issue of the journal Astrophysics and Space Science, matter has a positive gravitational charge and antimatter a negative one.

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小镇正把注意力转向使海滨更具视觉吸引力上。

The town is now turning its attention to making the sea-front more visually attractive.

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整个琼森的正典被重新编辑，其格式对现代读者很有吸引力。

The entire Jonsonian canon has just been re-edited in a format attractive to modern readers.

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Positive energy is repulsive, and negative energy is attractive.

正的能量值代表斥力，负的能量值代表引力。

麻省理工公开课 - 固态化学导论课程节选