noun🔗Share生物炭，炭肥 Charcoal that is used as a nutritional supplement for soil."The gardener mixed biochar into the soil to help the vegetables grow bigger and healthier. "园丁把生物炭，也就是炭肥混入土壤，以帮助蔬菜长得更大更健康。agriculturematerialenvironmentscienceplantfuelChat with AIVocabulary GamePractice Reading
