"腐草" means drygrass, and "萤" is firefly. On the night of the summer, you can oftensee fireflies flying around. Fireflies lay eggs between deciduous and hay,hatching out during the summer, just as fireflies are transformed from hay.
②土润溽暑（Tǔ rùn rù shǔ）
“土润溽暑” means that thesoil has high humidity and the weather is hot. The heat is just the middle voltin the three volts, the hottest and wettest weather.
③大雨时行（Dàyǔ shí xíng）
During the summer heat season, the hotand humid gas rises to the high altitude and cools, and it will suddenly dropthunderstorms in the afternoon. The rain is big, but the time is not long. Itrains frequently, but the range is small.