Sun clocks worked, of course, only on clear days; water clocks misbehaved when the temperature fell toward freezing, to say nothing of long-run drift as the result of sedimentation and clogging.

当然，太阳时钟只能在晴天工作；当温度下降到接近冰点时，水钟就会失灵，长期漂浮的东西因为下沉或堵塞而无法工作。

youdao

Three weather patterns on clear days, days covered with clouds and cloudy days are proposed.

建立了识别晴天、昙天、阴天三种天气类型的模式；

youdao

An engineer added an AM channel alongside the FM signal so that the station can be heard, on clear days, in places as far away as Europe.

一位工程师在FM信号的旁边又增加了AM频道，在晴朗的天气里，像欧洲那么远的地方都可以听到他们的广播。

youdao

If unfamiliar, these are the mechanical computer devices that you have to use to buy a ticket on the T these days and there was one of these really awkward but touching situations where it was clear that this woman had no idea, you know, what to do, how to get from here to here, and I could see her just staring at the turnstiles that you're supposed to go through to get into the subway.

如果不熟悉，这是机械计算机设备,当今你必须使用它们来买地铁票,它们实在是难操作的,这个令人同情的情况是,明显这位老太太不知道怎样操作，怎样从这一步到那一步,我看见她只是凝视着,地铁的栅门口。

哈佛公开课 - 计算机科学课程节选

These houses command sweeping views of the Aegean and, on clear days, other Cycladic islands.

WSJ: Community by Design | Architecture

Zanzibar Island, visible on clear days across the channel, is a short flight or boat ride away, and Saadani National Park, a two-hour's drive south, makes for an easy overnight excursion.

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On clear days you will probably want to head straight out onto the observatory's wraparound terrace, which looks out over a rippling sea of pearly-white summits, deep into Italy, Germany and France and over the 22km-long tongue of the Aletsch Glacier, the longest of its kind in the Alps and a Unesco World Heritage site.

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