Quantivalence
n. [化] 原子价
🗣️ 情景例句
It doesn't matter. Let's wait until the next time.
没关系。下次还有机会。
A good head and an industrious hand are worth gold in any land.
聪明脑袋勤劳手，走遍天下贵如金。
Are there any flowers in the picture?
画里面有花吗？