가축에게 먹이나 물을 주기 위한 길쭉한 형태의 통
a long, narrow open container for animals to eat or drink out of
예문:
"The farmer filled the wooden trough with fresh grain for the pigs."
"Several horses gathered around the stone trough to drink water."
액체를 유도하거나 배출하기 위해 만든 길쭉한 홈이나 관
a long, narrow channel used to convey liquid or as a drain
예문:
"Rainwater flowed down the roof and into the drainage trough."
"The chemical solution was channeled through a lead-lined trough."
파동의 가장 낮은 부분이나 그래프상의 최저 지점
the lowest point between two crests of a wave or on a graph
예문:
"The surfer waited for the perfect moment between the crest and the trough of the wave."
"On the heart monitor, each peak was followed by a deep trough."
주위보다 기압이 낮은 곳이 길게 뻗어 있는 구역
an elongated region of low atmospheric pressure
예문:
"A low-pressure trough is moving across the coast, bringing heavy rain."
"Forecasters identified a trough of cold air extending from the north."
경제 활동이나 경기 순환에서 가장 낮은 상태에 있는 시기
the lowest point in a business or economic cycle
예문:
"Economists believe the market has finally reached its trough and will soon recover."
"The company’s sales hit a trough during the winter months."
해저나 지표면에 길게 움푹 파여 있는 지형
a long, narrow depression in the ocean floor or the earth's surface
예문:
"The tectonic plates created a deep trough in the ocean floor."
"Glacial erosion carved a massive trough through the mountain range."