constantly exchanging particles
The two stars, Sirius A and Sirius B move around each other, constantly exchanging particles. Because of its greater density and magnetic field, Sirius B takes the lion's share, taking gases and materials off of its larger host body.
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constantly exchanging particles
不断交换粒子
以上为机器翻译结果，长、整句建议使用 人工翻译 。