Used as a form of address and salutation by soldiers to a victorious Roman general.凯旋将军士兵对凯旋的罗马将领的称谓和问候形式.When he saw the principal, he raised his hand in salutation.他看到校长时举手敬礼.The old man moved away, raising his hand in...
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...