trough

音标

美音 /trɔːf/英音 /trɒf/

NOUN槽, 低谷, 波谷, 谷底, 盆, 水槽, 谷, 低潮, 凹槽

But Timmer was more intrigued by what he saw in Texas, where strengthening low-altitude winds and a trough of moisture were set to coalesce in the afternoon.
来源:www.nytimes.com
When one wave’s peak met another’s trough, though, the light’s intensity would fall
来源:www.economist.com
Timmer was more intrigued by what he saw in Texas, where strengthening low-altitude winds and a trough of moisture were set to coalesce in the afternoon.
来源:www.nytimes.com