Use of named rootstocks of known vigor did not begin until the sixteenth century . 十六世纪以前，还没开始利用已经知道生长势的知名砧木。
Reduced vigor or "inbreeding depression" is not an invariable consequence of inbreeding . 降低生活力或“近亲繁殖的衰退”并不是近亲繁殖必然的后果。
Mass produce those combinations between selfed lines that exhibit a great deal of hybrid vigor . 在自交系之间选杂交优势很大的那些组合进行大量生产。
Now when i look back on my father, i only remember a man of great vigor and boundless energy . 现在当我回想起父亲，我最记得他是个精力充沛，活力十足的人。
In washington some felt that we must react to this challenge with full military vigor . 在华盛顿，有人认为我们必须在军事上表现出充分的魄力来对这种挑战作出反应。
With surprising speed, journalists and editors learned to work with the vigor and crusading dedication of their colleagues in the west . 记者与编辑以惊人的速度学会与精力充沛，勇于献身的西方同行一起工作。
In spite of youth and wealth and a notable vigor of body, he was a solemn, conservative speculator as to what his future might be . 他虽然年轻、富有、精力充沛，对于他自己的前途却是一个严肃、保守的观察者。
The expanded chest, fully formed limbs, and grave countenance of this warrior, would denote that he had reached the vigor of his days . 宽阔的胸脯，丰满的四肢，威严的脸容都表明，这个战士已经到了他一生中的盛年。
Howells, perhaps, lived too long for their own good; tranquil old age, however well-earned seemed not to accord with the vigor of their best work . 也许，他和豪威尔斯都不该活那么大的年纪，这反倒对他们不利。平静的晚年，虽说是分内应得，总比不上盛年笔力雄健的作品。
He flung himself into his work with renewed vigor 他又精神抖擞地投入自己的工作。
