alkalinous

例句：

1. 1. The soil is alkalinous due to the high levels of calcium carbonate.
   由于高含量的碳酸钙，土壤是碱性的。
2. 2.The plant requires a pH level of 6.5 to thrive in an alkalinous environment.
   这种植物需要在pH值为6.5的环境中才能茁壮成长。
3. 3. The alkalinous water was found to be beneficial for human health.
   这种碱性水对人类健康有益。