since 高考四级六级

The child has been mute since birth.

这孩子生下就不能讲话。

I have not seen him since then.

那以后我再也没见过他。

He has served in the navy since 1959.

1959年以, 他一直在海军。

I haven't ridden much since the accident.

那次事故后我就没怎么骑马了。

We have had incessant snowfall since yesterday afternoon.

昨天下午开始就持续不断地下雪。

The television's been dead since the storm.

暴风雨过后那台电视机就坏了。

These letters have lain under wraps since the 1940s.

这些信件20世纪40年代起就被密存了起。

Politics has been a concern of philosophers since Plato.

柏拉图起，政治就是哲学家们感兴趣的问题。

They have been steeped in prejudice since their childhood.

他们小就充满了偏见。

Cannabis has been used for medicinal purposes since antiquity.

大麻远古以就被作为药用。

City have been tracking the striker since the summer.

夏天起，伦敦城一直都在关注罢工者。

The NCDC calls Mitch the deadliest Atlantic hurricane since 1780.

国家天气数据中心（NCDC）称“米奇”是1780年以杀伤力最大的大西洋飓风。

The antifascist urban commune exists in Berlin since early 2006.

反法西斯城市公社于2006年之初在柏林面世。

Many families are living on the dole since the strike.

罢工以, 许多家庭靠失业救济金度日。

I haven’t seen him since the summer before last.

我已有两个夏天没见过他了。

Children have been routinely immunized against polio since 1958.

1958 年以，儿童都按照常规接种防治小儿麻痹症的疫苗。

The Barton family have lived in this village since time immemorial.

巴顿家族古以就住在这个村里。

Acupuncture has been used as medical means since antiquity in China.

针灸在中国远古以就被用作医疗手段了。

Things have been in a state of flux since father's death.

父亲死后事情变化不定。

He has kept up with a number of his old workmates since his retirement.

他退休以后一直和许多老同事保持着联系。