I am completely at home in mathematics.

She always feels at home in her friend's house.

她在朋友家很随便.

There's always somebody at home in the evenings.

晚上总有人在家。

Doses are to be administered at intervals of at least one week.

每间隔至少一周,剂量都应加以管理.

The discussion was so prolonged and exhausting that the speakers stopped at intervals for refreshments.

这次讨论历时过长,令人筋疲力尽,以至于发言者要不时地停下来恢复体力.

Estrus recurs at intervals of approximately six months until late in life.

从一个发情期至第二个发情期之间约为六个月.

Trains leave the station at intervals of half an hour.

每隔半小时就有火车驶出车站.

At intervals of no more than 120 meters.

两座敌楼相隔不超过120米.

Clips placed at intervals along the spring keep the leaves in alignment.

钢板弹簧上相隔一定的距离装有若干个弹簧夹,使钢板弹簧保持定位.

It rained at intervals.

雨时下时停.

High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.

顶部装着蛇腹式铁丝网的高高的石墙, 被渐渐隐现的哨塔隔开.

If it has to be used, It'should be clipped across at intervals.

如果一定要用, 应该有间隔地把布边剪断.

At intervals, while turning over the leaves of my book, I aspect of that winter afternoon.

在翻动书页的间隙里, 我不时的观望一下这冬天后的景象.

The TV station will report scraps of news from the Olympics at intervals.

电视台将随时报道奥运赛场的零讯.

We take a rest at intervals of two hours.

我们每隔两小时歇息一次.

Rains fell at intervals throughout the night.

整个晚上不时地下着雨.

She is unconscious now, but may come to at intervals.

她现在失去了知觉, 但时而也会苏醒一会儿.

At intervals Karen Novotny moved across it, carrying out a sequence of apparently random acts.

卡伦-诺弗特尼不时地穿过房间, 做着一系列显然是漫无目标的动作.

The pain under the left breast recurred at intervals but was not constant.

左乳房下的疼痛时时再发,而不是持续性的.

The constant jerking of the train caused their shoulders to bump together at intervals.

摇晃不停的列车抽动着铁踏板,他们的肩头时而碰在一起.

We rouse ourselves at intervals and speculate.

我们有时振作起来,进行思索.