shell moisture content

例句：

1. 1.The shell moisture content of the clam is high, which makes it difficult to eat.
   蛤蜊的壳含水率很高，很难吃。
2. 2. The moisture content of the soil affects the growth of plants.
   土壤的含水率影响植物的生长。
3. 3.The moisture content of the soil should be monitored regularly to prevent drought.
   应定期监测土壤的含水率以防止干旱。