cloudless

/ˈklaʊdləs/📚 19932 6
If the sky is cloudless, there are no clouds in it. 晴朗无云的

adjective [原级]无云的;晴朗的

The sun shone brightly in a cloudless sky.
太阳在无云的天空中明亮地照耀着。

cloudless

-less ⌜ 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality ~ ⌟
cloudless 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
Lesson 35 Space odyssey
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There were swallows in the cloudless blue sky. 燕子在无云的蓝天上飞翔。
The cloudless sky is clearly a moneymaker for the town, which plans to set up even more observatories. 晴朗无云的天空显然为小镇创造了很多财富,小镇也打算设立更多的天文台。