ปลูก, ห้องปฏิบัติการ, การเจริญเติบโต, ต้นกล้า, วิจัย, ชีววิทยา, ใบไม้, ใกล้ชิด, สีเขียว, มือมนุษย์, ความสด
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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