larval phase的用法和樣例：
例句
- While in their larval stage, giant clams must swim and feed in the water column.
當它們的幼蟲期，巨蛤蚌必須游泳和餵養在水柱。 - Results Vasobral improved the development of larval and a dult stages,enhanced the vitality and increased the quantity and quality of ovum.
結果活血素能促進家蠶幼蟲期生長發育，提高蛹期繭質量，延長雌蛾生命，並能產生更多卵子。
