cloud nuclei的用法和樣例：
例句
- Observations do not indicate that cloud nucleus concentrations parallel those of sulphur dioxide.
觀測沒有表明雲核濃度與二氧化硫濃度相關。 - It is legitimate to envisage a more or less one-to-one correspondence between cloud nucleus concentration and the concentration of cloud droplets.
擬想雲核濃度與雲滴濃度之間有或多或少的一一對應關係是合理的。
