total moisture

例句：

1. 1. The plant requires a certain amount of total moisture to survive.
   这植物需要一定的总水分才能生存。
2. 2. The soil's total moisture levels have been declining due to drought conditions.
   由于干旱条件，土壤的总水分水平一直在下降。
3. 3. The farmer carefully monitored the soil moisture levels to ensure proper irrigation.
   这位农民仔细监测了土壤的水分水平，以确保适当的灌溉。