An example of negative eugenics would be the attempt to eradicate a harmful recessive gene.消极优生学的范例是试图破坏一种对人体有害的隐性基因.These insects are very difficult to eradicate.这些昆虫很难根除.It'set out to eradicate heresy, and ended b...
They are already battling to eradicate illnesses such as malaria and tetanus.他们已经在努力消灭疟疾、破伤风等疾病。These insects are very difficult to eradicate.这些昆虫很难根除.It'set out to eradicate heresy, and ended by perpetuating it.它的目...