noun🔗Shareリーフ, 礁A chain or range of rocks, sand, or coral lying at or near the surface of the water."Divers explored the colorful reefs teeming with fish just off the coast. "ダイバーたちは、海岸沖の魚が群がる色とりどりのリーフを探検しました。geographyoceanenvironmentnaturegeologybiologyChat with AIVocabulary GamePractice Reading
noun🔗Share鉱脈, 鉱床A large vein of auriferous quartz; hence, any body of rock yielding valuable ore."The old miners believed the richest gold was hidden deep within the quartz reefs of the mountain. "古い鉱夫たちは、最も豊かな金は山の石英鉱脈の奥深くに隠されていると信じていた。geologymineralChat with AIVocabulary GamePractice Reading
noun🔗ShareリーフA portion of a sail rolled and tied down to lessen the area exposed in a high wind."During the sudden squall, the experienced sailor quickly tied in the reefs to reduce the sail area and maintain control of the boat. "突然のスコールの間、経験豊富な船乗りは、帆の面積を減らし、ボートの制御を維持するために、すぐにリーフを縛りました。nauticalsailingChat with AIVocabulary GamePractice Reading
noun🔗Shareリーフ結びA reef knot."The sailor quickly tied the two ropes together with a pair of reefs. "船乗りは2本のロープをリーフ結びで素早く結びました。nauticalsailingChat with AIVocabulary GamePractice Reading
verb🔗Share帆を畳むTo take in part of a sail in order to adapt the size of the sail to the force of the wind."The sailors had to reef the sails as the wind grew stronger, making the boat more stable. "風が強くなってきたので、船乗りたちは船を安定させるために帆を畳まなければならなかった。nauticalsailingtechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share強く引く, 手綱を引くTo pull or yank strongly, especially in relation to horse riding."The nervous rider reefs on the reins, trying to control the horse's sudden burst of speed. "神経質な騎手は、馬の突然の速度上昇を制御しようと手綱を強く引く。animalsportactionChat with AIVocabulary GamePractice Reading
verb🔗Shareパドルホイールのフロートを中央に移動させる(of paddles) To move the floats of a paddle wheel toward its center so that they will not dip so deeply."Reef the paddles."パドルホイールのフロートを中央に移動させてください。nauticalsailingtechnologymachineChat with AIVocabulary GamePractice Reading
noun🔗Share発疹、かゆみThe itch; any eruptive skin disorder."After working in the garden, she developed reefs on her arms from an allergic reaction to the plants. "庭で作業した後、彼女は植物に対するアレルギー反応で腕に発疹ができました。medicinediseasebodyappearanceChat with AIVocabulary GamePractice Reading
noun🔗ShareふけDandruff.""He brushed his dark jacket because it was covered in reefs after scratching his head." "頭をかいた後、ふけだらけだったので、彼は自分の濃い色のジャケットを払った。bodyappearancemedicineChat with AIVocabulary GamePractice Reading