求翻译：2. (打比方) compare one thing to another: 原子结构时常被比喻为微型太阳系。 The atomic structure is often compared to a miniature solar system. 我们时常把电荷的流动比喻为水的流动。 We often compare the flow of electrical charges to the flow of water.是什么意思？

2 (analogy) compare one thing to another: the atomic structure is often likened to miniature solar system. the atomic structure is often compared to a miniature solar system. often charge flow metaphor for the flow of water. we often compare the flow of electrical charges to the flow of water.

2. (a metaphor) compare one thing to another: atomic structure has often been compared to miniature solar system. The atomic structure is often compared to a miniature solar system, we often charge the water flow analogy to the flow. We often compare the flow of electrical charges to the flow of wat

2. (Draws analogy) compare one thing to another: The atomic structure often analogies is miniature solar system. The atomic structure is often compared to a miniature solar system. We often analogy the electric charge flowing as the water flowing. We often compare the flow of electrical charges to t

2. (metaphor) to compare one thing to another: atomic structure was often likened to miniature solar system. The atomic structure is often compared to a miniature solar system. We are often compared to the flow of water flow of electric charge. We often compare the flow of electrical charges to the