thunderhead
thunderhead — 名詞
- thunderheadsingular
- thunderheadsplural
1. a very large, dark cloud, typically with a rounded top, that forms before or dur
雷雨雲
產生雷電的大型烏雲
a very large, dark cloud, typically with a rounded top, that forms before or during a thunderstorm and brings thunder and lightning
Dario watched the massive thunderhead roll across the plains before the first rain fell.
Dario 看著巨大的雷雨雲從平原上翻滾而來，第一場雨還沒落下。
The pilot steered the plane around the towering thunderhead that blocked the route.
飛行員駕駛飛機繞過阻擋航線的高聳雷雨雲。
steer around a thunderhead — aviation context
Lucía took a photo of the bright thunderhead as it caught the evening sunlight.
Lucía 拍下那朵映著夕陽的明亮雷雨雲。
A single thunderhead appeared over the mountain, and soon thunder echoed through the valley.
一座山頂上出現了一朵雷雨雲，不久山谷間便迴盪著雷聲。
Vikram knew a thunderhead meant heavy rain, so he shut the windows before it arrived.
Vikram 知道出現雷雨雲代表大雨將至，所以在雨來之前就把窗戶關上了。
- thundercloud
a broader term for any cloud that produces thunder; thunderhead specifically highlights the rounded, towering top
- cumulonimbus
the scientific meteorological name for the tall, vertical cloud that forms a thunderhead
文法句型
a thunderhead
thunderhead + verb (appears, forms, rolls)
用法筆記
Thunderhead emphasizes the large, rounded shape of the cloud as it rises upward, more than the general word 'thundercloud' does. It is common in weather reports, nature writing, and descriptive passages.