fifty years of age

基本解释

Count all the men from thirty to fifty years of age who come to serve in the work in the Tent of Meeting.
從三十嵗直到五十嵗,凡前來任職在會幕裡辦事的,全都計算.
Researchers in the United States studied one hundred thousand women during an eight-year period, beginning in nineteen ninety-four. All of the women were fifty years of age or older.
從1994年開始，美國的研究人員在八年時間裡研究了100,000名女性，她們的年齡都在50嵗及50嵗以上。
Almost at the same instant with the children, another couple approached the great basin. They consisted of a goodman, about fifty years of age, who was leading by the hand a little fellow of six.
幾乎和這兩個孩子同時，另外一對也走近了大水池；一個五十嵗光景的老人牽著一個六嵗的小娃娃，這大概是父子倆。

We are currently between thirty and fifty years of age, and there are 84 million of us in the United States.
FORBES: The Challenges Facing Gen X Women
In 1977, Brace published an article that put the age of the Western overbite at no more than two hundred and fifty years—which is to say that flatware and, with it, a significant change in how we chewed were all it took for the edge-to-edge occlusion that we inherited from the Neanderthals to be replaced by the bite we now call normal.
NEWYORKER: A Fork of One’s Own