a cattle trough 牛食槽
The boat lay almost helpless in the trough of the waves. 小船几乎无助地在浪涛里颠簸。
We try to adapt to peaks and troughs in demand. 我们努力适应旺季和淡季的需求波动。
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net切換為繁體中文