바다 표면 바로 위나 아래에 있는 들쭉날쭉한 암석, 산호 또는 모래로 이루어진 능선.
A ridge of jagged rock, coral, or sand just above or below the surface of the sea.
예문:
"Divers explored the vibrant coral reef teeming with tropical fish."
"The ship ran aground after striking an uncharted reef during the storm."
"Barrier reefs protect coastlines from strong ocean waves and erosion."
바람에 노출되는 면적을 줄이기 위해 접거나 말아 올릴 수 있도록 돛에 가로질러 있는 여러 개의 띠 중 하나.
Each of the several strips across a sail which can be taken in or rolled up to reduce the area exposed to the wind.
예문:
"The sailors quickly tied in a reef as the wind speed increased dramatically."
"Taking a second reef in the main sail helped stabilize the small yacht in heavy seas."
"The captain ordered the crew to shake out the reefs once the squall had passed."
금속을 함유한 광물 퇴적물, 특히 층을 이루고 금을 포함하는 광맥.
A metalliferous mineral deposit, especially one that is bedded and contains gold.
예문:
"Miners followed the gold-bearing quartz reef deep into the mountain."
"The discovery of a rich reef sparked a new wave of prospecting in the region."
"Geologists analyzed the composition of the exposed reef to estimate its mineral content."
하나 이상의 축범(reef)을 잡아당겨 돛의 면적을 줄이다.
To reduce the area of a sail by taking in one or more reefs.
예문:
"They had to reef the jib immediately when the gust hit the boat."
"We reefed the mainsail down to the third point before nightfall."
"It is essential to know how to properly reef a sail when sailing offshore."