He was a doctor's aid for a time.

一度做过一名大夫的助手。

The institution of slavery was once widespread.

奴隶制度一度广为流行。

Africa was once parceled out among the European powers.

非洲一度为欧洲列强所瓜。

He became very depressed and even got suicidal at one point.

得十消沉，甚至一度想自杀。

For a brief time Texas was a sovereign nation.

得克萨斯一度是个主权独立的国家。

The plague once could wipe out a village.

鼠疫曾一度可以夺走整个村庄村民的生命。

In this country pornography was once sold under the counter.

在该国, 色情书画曾一度在黑市出售。

He was up for a time and then, without warning, despondent again.

一度兴高采烈, 但忽然情绪低落下来。

The annual competition has encouraged the emergence of several talented young musicians.

每年一度的比赛造就了若干卓越的年轻音乐家。

In his youth he had been sucked into a hippy cult.

年轻的时候一度过着嬉皮士式的生活。

He was on his annual pilgrimage to Mecca when he fell ill.

在一年一度前往麦加朝圣的途中病倒了。

A step in temperature on the Fahrenheit scale is smaller than a step on the Centigrade scale.

华度计的一度比度计的一度小一些。

The grandfather had assembled all the members of the family for the annual picnic.

祖父把一家人聚在一起进行一年一度的野餐。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上月球似乎是不可想象的。"

The yearly campaign to raise funds for the Red Cross is already under way.

一年一度为红十字会募集基金的运动已在进行中。

This island was once French territory.

这个岛一度是法国的领地。

She temporarily lost her balance during the long months of solitude.

在与外界隔绝的漫长岁月中, 她一度失去心态的平衡。

He’s been extremely sick, but thankfully he’s off the danger list now.

一度病入膏肓,不过万幸的是,现在已经脱离危险了。

Many once prosperous northern mill towns have shrunk as industry has moved to the South.

因为工业迁移到了南方，许多一度繁荣的北方磨坊小镇都减小了规模。

TYPICAL USE:She made her plan for her annual summer hegira to the Miami beach.

她计划到迈阿密海滩去度过一年一度的暑假。