troughs n. 低谷( trough的复数形式 ); 波谷; （喂动物的）食槽; 檐槽 释义与例句 n. 1. plural of trough 相关短语 eaves troughs kneading troughs slake troughs pneumatic troughs water troughs Gunn-Peterson troughs wine troughs glacial troughs book troughs kneading trough 揉面槽 eaves trough 檐沟 pneumatic trough slake trough water trough Gunn-Peterson trough