"
Every chemical compound must have a definite composition, which can be expressed by the symbols of its elements.
💡 解读:
每一种化合物都必须有确定的组成,这可以用其元素的符号来表示。
💬 推荐名言
20句推荐
🎲 随机 · 灵感闪现
✨ 名言如星,拾光而行