systemic

adj 1 of or affecting the whole of the body 全身的; 影响全身的. 2 acting by entering the tissues of a plant and killing insects and other pests which try to feed on it 内吸收的, 内吸性的(通过渗入植物组织内以消灭以之为食的昆虫及其他有害生物的): systemic fungicides 内吸性杀真菌剂.


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